SDS5000X Series
Digital Oscilloscope
User Manual
UM0105X-E01E
SDS5000X Series Digital Oscilloscope User Manual
WWW. SIG LE NT.COM 1
Contents
CONTENTS .............................................................................................................................................. 1
1 INTRODUCTION ............................................................................................................................... 8
2 IMPORTANT SAFETY INFORMATION ............................................................................................ 9
2.1 GENERAL SAFETY SUMMARY ............................................................................................................................ 9
2.2 SAFETY TERMS AND SYMBOLS .......................................................................................................................11
2.3 WORKING ENVIRONMENT ................................................................................................................................12
2.4 COOLING REQUIREMENTS ...............................................................................................................................14
2.5 POWER AND GROUNDING REQUIREMENTS ....................................................................................................14
2.6 CLEANING .........................................................................................................................................................16
2.7 ABNORMAL CONDITIONS..................................................................................................................................16
2.8 SAFETY COMPLIANCE ......................................................................................................................................17
INFORMATIONS ESSENTIELLES SUR LA SÉCURITÉ .......................................................................18
EXIGENCE DE SÉCURITÉ ..............................................................................................................................................18
TERMES ET SYMBOLES DE SÉCURITÉ ..........................................................................................................................20
ENVIRONNEMENT DE TRAVAIL ......................................................................................................................................21
EXIGENCES DE REFROIDISSEMENT ..............................................................................................................................23
CONNEXIONS D'ALIMENTATION ET DE TERRE ..............................................................................................................24
NETTOYAGE ..................................................................................................................................................................25
CONDITIONS ANORMALES ............................................................................................................................................26
CONFORMITÉ EN MATIÈRE DE SÉCURITÉ .....................................................................................................................26
3 FIRST STEPS ..................................................................................................................................28
3.1 DELIVERY CHECKLIST ......................................................................................................................................28
3.2 QUALITY ASSURANCE ......................................................................................................................................28
3.3 MAINTENANCE AGREEMENT ............................................................................................................................29
4 DOCUMENT CONVENTIONS .........................................................................................................30
5 GETTING STARTED .......................................................................................................................31
5.1 POWER ON........................................................................................................................................................31
5.2 SHUT DOWN......................................................................................................................................................31
5.3 SYSTEM STATUS ..............................................................................................................................................32
5.4 INSTALL OPTIONS.............................................................................................................................................32
6 PROBE ............................................................................................................................................33
7 QUICK START ................................................................................................................................35
7.1 FRONT PANEL OVERVIEW ...............................................................................................................................35
7.2 REAR PANEL OVERVIEW .................................................................................................................................36
7.3 CONNECTING TO EXTERNAL DEVICES/SYSTEMS ...........................................................................................38
7.3.1 Power Supply
........................................................................................................................................38
7.3.2 LAN
..........................................................................................................................................................38
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7.3.3 USB Peripherals
...................................................................................................................................38
7.3.4 External Monitor
....................................................................................................................................38
7.3.5 Auxiliary Output
.....................................................................................................................................39
7.3.6 SAG1021I Waveform Generator
.......................................................................................................39
7.3.7 Probes
.....................................................................................................................................................39
7.3.8 Logic Probe
............................................................................................................................................40
8 TOUCH SCREEN DISPLAY ............................................................................................................41
8.1 OVERVIEW ........................................................................................................................................................41
8.2 MENU BAR ........................................................................................................................................................42
8.3 GRID AREA .......................................................................................................................................................43
8.4 CHANNEL DESCRIPTOR BOX ...........................................................................................................................45
8.5 TIMEBASE AND TRIGGER DESCRIPTOR BOXES ..............................................................................................47
8.6 DIALOG BOX .....................................................................................................................................................50
8.7 TOUCH GESTURES ...........................................................................................................................................52
8.8 MOUSE AND KEYBOARD OPERATION..............................................................................................................54
8.9 CHOOSING THE LANGUAGE .............................................................................................................................54
9 FRONT PANEL ...............................................................................................................................55
9.1 OVERVIEW ........................................................................................................................................................55
9.2 VERTICAL CONTROL ........................................................................................................................................56
9.3 HORIZONTAL CONTROL ...................................................................................................................................57
9.4 TRIGGER CONTROL..........................................................................................................................................58
9.5 RUN/STOP BUTTON .........................................................................................................................................58
9.6 AUTO SETUP BUTTON .....................................................................................................................................59
9.7 DECODE/DIGITAL/MATH/REF CONTROL ........................................................................................................59
9.8 NAVIGATE CONTROL ........................................................................................................................................60
9.9 CURSORS CONTROL ........................................................................................................................................61
9.10 UNIVERSAL KNOB.............................................................................................................................................61
9.11 OTHER BUTTONS .............................................................................................................................................62
10 MULTIPLE APPROACHES TO RECALL FUNCTIONS ..............................................................63
10.1 MENU BAR ........................................................................................................................................................63
10.2 DESCRIPTOR BOX ............................................................................................................................................63
10.3 SHORTCUT BUTTON ON THE FRONT PANEL....................................................................................................64
11 QUICKLY CAPTURE THE SIGNAL ............................................................................................65
12 VERTICAL SETUP ......................................................................................................................66
12.1 TURN ON/OFF A CHANNEL ...............................................................................................................................66
12.2 CHANNEL SETUP ..............................................................................................................................................66
13 DIGITAL CHANNELS ..................................................................................................................73
13.1 OVERVIEW ........................................................................................................................................................73
13.2 ENABLE/DISABLE THE DIGITAL CHANNELS.....................................................................................................75
13.3 DIGITAL CHANNEL SETUP................................................................................................................................76
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14 HORIZONTAL AND ACQUISITION SETUP ................................................................................80
14.1 TIMEBASE SETUP .............................................................................................................................................80
14.2 ACQUISITION SETUP ........................................................................................................................................81
14.2.1 Overview
.................................................................................................................................................81
14.2.2 Acquisition
..............................................................................................................................................83
14.2.3 Roll Mode
...............................................................................................................................................87
14.2.4 Sequence
...............................................................................................................................................87
14.3 HISTORY ...........................................................................................................................................................91
14.4 ZOOM ................................................................................................................................................................94
15 TRIGGER .....................................................................................................................................97
15.1 OVERVIEW ........................................................................................................................................................97
15.2 TRIGGER SETUP...............................................................................................................................................99
15.3 TRIGGER LEVEL ............................................................................................................................................ 101
15.4 TRIGGER MODE............................................................................................................................................. 101
15.5 TRIGGER TYPE .............................................................................................................................................. 102
15.5.1 Overview
.............................................................................................................................................. 102
15.5.2 Edge Trigger
....................................................................................................................................... 104
15.5.3 Slope Trigger
...................................................................................................................................... 104
15.5.4 Pulse Trigger
...................................................................................................................................... 107
15.5.5 Video Trigger
...................................................................................................................................... 108
15.5.6 Window Trigger
.................................................................................................................................. 113
15.5.7 Interval Trigger
................................................................................................................................... 115
15.5.8 Dropout Trigger
.................................................................................................................................. 116
15.5.9 Runt Trigger
........................................................................................................................................ 117
15.5.10 Pattern Trigger
................................................................................................................................... 117
15.5.11 Qualified Trigger
................................................................................................................................ 119
15.5.12 Nth Edge Trigger
............................................................................................................................... 120
15.5.13 Delay Trigger
...................................................................................................................................... 121
15.5.14 Setup/Hold Trigger
............................................................................................................................ 122
15.6 TRIGGER SOURCE......................................................................................................................................... 123
15.7 HOLDOFF ....................................................................................................................................................... 124
15.8 TRIGGER COUPLING ..................................................................................................................................... 126
15.9 NOISE REJECT .............................................................................................................................................. 126
15.10 ZONE TRIGGER ............................................................................................................................................. 127
16 SERIAL TRIGGER AND DECODE ........................................................................................... 133
16.1 OVERVIEW ..................................................................................................................................................... 133
16.2 I2C TRIGGER AND SERIAL DECODE ............................................................................................................ 136
16.2.1 I2C Signal Settings
........................................................................................................................... 136
16.2.2 I2C Trigger
.......................................................................................................................................... 137
16.2.3 I2C Serial Decode
............................................................................................................................. 142
16.3 SPI TRIGGER AND SERIAL DECODE ............................................................................................................ 145
16.3.1 SPI Signal Settings
........................................................................................................................... 145
16.3.2 SPI Trigger
.......................................................................................................................................... 149
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16.3.3 SPI Serial Decode
............................................................................................................................. 149
16.4 UART TRIGGER AND SERIAL DECODE ....................................................................................................... 150
16.4.1 UART Signal Settings
....................................................................................................................... 150
16.4.2 UART Trigger
..................................................................................................................................... 151
16.4.3 UART Serial Decode
........................................................................................................................ 152
16.5 CAN TRIGGER AND SERIAL DECODE .......................................................................................................... 153
16.5.1 CAN Signal Settings
......................................................................................................................... 153
16.5.2 CAN Trigger
........................................................................................................................................ 154
16.5.3 CAN Serial Decode
........................................................................................................................... 154
16.6 LIN TRIGGER AND SERIAL DECODE ............................................................................................................ 157
16.6.1 LIN Signal Settings
........................................................................................................................... 157
16.6.2 LIN Trigger
.......................................................................................................................................... 157
16.6.3 LIN Serial Decode
............................................................................................................................. 158
16.7 FLEXRAY TRIGGER AND SERIAL DECODE ................................................................................................... 160
16.7.1 FlexRay Signal Settings
................................................................................................................... 160
16.7.2 FlexRay Trigger
................................................................................................................................. 160
16.7.3 FlexRay Serial Decode
.................................................................................................................... 161
16.8 CAN FD TRIGGER AND SERIAL DECODE.................................................................................................... 164
16.8.1 CAN FD Signal Settings
.................................................................................................................. 164
16.8.2 CAN FD Trigger
................................................................................................................................. 164
16.8.3 CAN FD Serial Decode
.................................................................................................................... 166
16.9 I2S TRIGGER AND SERIAL DECODE............................................................................................................. 168
16.9.1 I2S Signal Settings
............................................................................................................................ 168
16.9.2 I2S Trigger
.......................................................................................................................................... 169
16.9.3 I2S Serial Decode
............................................................................................................................. 171
16.10 MIL-STD-1553B TRIGGER AND SERIAL DECODE ..................................................................................... 172
16.10.1 MIL-STD-1553B Signal Settings
.................................................................................................... 172
16.10.2 MIL-STD-1553B Serial Decode
..................................................................................................... 172
16.11 SENT TRIGGER AND SERIAL DECODE ........................................................................................................ 174
16.11.1 SENT Signal Settings
....................................................................................................................... 174
16.11.2 SENT Trigger
..................................................................................................................................... 175
16.11.3 SENT Serial Decode
........................................................................................................................ 179
16.12 MANCHESTER SERIAL DECODE ................................................................................................................... 181
16.12.1 Manchester Signal Settings
............................................................................................................ 181
16.12.2 Manchester Serial Decode
.............................................................................................................. 182
17 CURSORS ................................................................................................................................ 184
17.1 OVERVIEW ..................................................................................................................................................... 184
17.2 SELECT AND MOVE CURSORS ..................................................................................................................... 191
18 MEASUREMENT ...................................................................................................................... 194
18.1 OVERVIEW ..................................................................................................................................................... 194
18.2 SET PARAMETERS ........................................................................................................................................ 196
18.3 TYPE OF MEASUREMENT .............................................................................................................................. 200
18.3.1 Vertical Measurement
...................................................................................................................... 200
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18.3.2 Horizontal Measurement
.................................................................................................................. 202
18.3.3 Miscellaneous Measurements
........................................................................................................ 204
18.3.4 Delay Measurement
.......................................................................................................................... 205
18.4 TREND............................................................................................................................................................ 207
18.5 DISPLAY MODE.............................................................................................................................................. 208
18.6 MEASUREMENT STATISTICS ......................................................................................................................... 209
18.7 STATISTICS HISTOGRAM ............................................................................................................................... 211
18.8 SIMPLE MEASUREMENTS .............................................................................................................................. 212
18.9 GATE .............................................................................................................................................................. 212
18.10 AMPLITUDE STRATEGY ................................................................................................................................. 214
18.11 THRESHOLD ................................................................................................................................................... 215
19 MATH ........................................................................................................................................ 217
19.1 OVERVIEW ..................................................................................................................................................... 217
19.2 ARITHMETIC ................................................................................................................................................... 218
19.3 ALGEBRA ....................................................................................................................................................... 219
19.3.1 Differential
........................................................................................................................................... 219
19.3.2 Integral
................................................................................................................................................. 220
19.3.3 Square Root
........................................................................................................................................ 222
19.3.4 Absolute
............................................................................................................................................... 222
19.3.5 Sign
....................................................................................................................................................... 223
19.3.6 Exp/Exp10
........................................................................................................................................... 223
19.3.7 Ln/Lg
.................................................................................................................................................... 224
19.3.8 Interpolate
........................................................................................................................................... 225
19.4 FREQUENCY ANALYSIS ................................................................................................................................. 226
19.5 FORMULA EDITOR ......................................................................................................................................... 237
20 REFERENCE ............................................................................................................................ 239
21 SEARCH ................................................................................................................................... 241
22 NAVIGATE ................................................................................................................................ 244
23 MASK TEST.............................................................................................................................. 251
23.1 OVERVIEW ..................................................................................................................................................... 251
23.2 MASK SETUP ................................................................................................................................................. 254
23.2.1 Create Mask
....................................................................................................................................... 254
23.2.2 Mask Editor
......................................................................................................................................... 256
23.3 PASS/FAIL RULE ........................................................................................................................................... 258
23.4 OPERATION ................................................................................................................................................... 259
24 DVM .......................................................................................................................................... 260
24.1 OVERVIEW ..................................................................................................................................................... 260
24.2 MODE ............................................................................................................................................................. 261
24.3 DIAGRAMS ..................................................................................................................................................... 262
25 COUNTER ................................................................................................................................ 266
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25.1 OVERVIEW ..................................................................................................................................................... 266
25.2 MODE ............................................................................................................................................................. 267
26 HISTOGRAM ............................................................................................................................ 270
26.1 OVERVIEW ..................................................................................................................................................... 270
26.2 REGION SETTING .......................................................................................................................................... 273
27 POWER ANALYSIS.................................................................................................................. 275
27.1 OVERVIEW ..................................................................................................................................................... 275
27.2 POWER QUALITY ........................................................................................................................................... 276
27.3 CURRENT HARMONICS ................................................................................................................................. 278
27.4 INRUSH CURRENT ......................................................................................................................................... 280
27.5 SWITCHING LOSS .......................................................................................................................................... 281
27.6 SLEW RATE ................................................................................................................................................... 286
27.7 MODULATION ................................................................................................................................................. 287
27.8 OUTPUT RIPPLE ............................................................................................................................................ 288
27.9 TURN ON/TURN OFF .................................................................................................................................... 289
27.10 TRANSIENT RESPONSE ................................................................................................................................. 291
27.11 PSRR ............................................................................................................................................................ 293
27.12 POWER EFFICIENCY...................................................................................................................................... 294
28 BODE PLOT ............................................................................................................................. 296
28.1 OVERVIEW ..................................................................................................................................................... 296
28.2 CONFIGURATION ........................................................................................................................................... 297
28.2.1 Connection
.......................................................................................................................................... 297
28.2.2 Sweep
.................................................................................................................................................. 298
28.3 DISPLAY ......................................................................................................................................................... 300
28.4 DATA ANALYSIS............................................................................................................................................. 303
29 DISPLAY ................................................................................................................................... 307
30 ARBITRARY WAVEFORM GENERATOR ............................................................................... 316
30.1 OVERVIEW ..................................................................................................................................................... 316
30.2 OUTPUT ......................................................................................................................................................... 318
30.3 WAVE TYPE ................................................................................................................................................... 318
30.4 OTHER SETTING............................................................................................................................................ 320
30.5 SYSTEM ......................................................................................................................................................... 322
31 SAVE/RECALL ......................................................................................................................... 324
31.1 SAVE TYPE .................................................................................................................................................... 324
31.2 INTERNAL SAVE AND RECALL ....................................................................................................................... 328
31.3 EXTERNAL SAVE AND RECALL ..................................................................................................................... 330
31.3.1 File manager
....................................................................................................................................... 330
31.3.2 External Save and Recall Instance
............................................................................................... 332
32 SYSTEM SETTING ................................................................................................................... 336
32.1 SYSTEM STATUS ........................................................................................................................................... 336
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32.2 SOUND ........................................................................................................................................................... 336
32.3 UPGRADE SOFTWARE ................................................................................................................................... 337
32.4 LANGUAGE ..................................................................................................................................................... 339
32.5 SCREEN SAVER............................................................................................................................................. 339
32.6 I/O SETTING .................................................................................................................................................. 340
32.6.1 LAN
....................................................................................................................................................... 340
32.6.2 Clock Source
...................................................................................................................................... 341
32.6.3 Web Server
......................................................................................................................................... 341
32.7 DATE/TIME .................................................................................................................................................... 342
32.8 INSTALL OPTIONS.......................................................................................................................................... 342
32.9 REFERENCE POSITION SETTING .................................................................................................................. 344
32.10 PERFORM SELF-TEST................................................................................................................................... 347
32.11 DO SELF CAL ................................................................................................................................................ 350
32.12 POWER ON LINE ............................................................................................................................................ 351
32.13 DEBUG ........................................................................................................................................................... 351
33 REMOTE CONTROL ................................................................................................................ 352
33.1 WEB BROWSER ............................................................................................................................................. 352
33.2 OTHER CONNECTIVITY ................................................................................................................................. 354
34 TROUBLESHOOTING .............................................................................................................. 355
35 CONTACT SIGLENT ................................................................................................................ 358
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1 Introduction
This user manual includes important safety and installation information related
to the SDS5000X series oscilloscopes and includes simple tutorials for basic
operation of the oscilloscope.
The series includes the following models:
Model
Analogy
Bandwidth
Maximum
Sampling Rate
BNC channel
number
SDS5102X
1GHz
5 GSa/s
2
SDS5052X
500MHz
5 GSa/s
2
SDS5032X
350MHz
5 GSa/s
2
SDS5104X
1GHz
5 GSa/s
4
SDS5054X
500MHz
5 GSa/s
4
SDS5034X
350MHz
5 GSa/s
4
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2 Important Safety Information
This manual contains information and warnings that must be followed by the
user for safe operation and to keep the product in a safe condition.
2.1 General Safety Summary
Carefully read the following safety precautions to avoid person injury and
prevent damage to the instrument and any products connected to it. To avoid
potential hazards, please use the instrument as specified.
To Avoid Fire or Personal Injure.
Use Proper Power Line.
Use only the special power line of the instrument which approved by local
state.
Ground the Instrument.
The instrument grounds through the protective terra conductor of the power
line. To avoid electric shock, the ground conductor must be connected to the
earth. Make sure the instrument is grounded correctly before connect its input
or output terminals.
Connect the Signal Wire Correctly.
The potential of the signal wire is equal to the earth, so do not connect the
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signal wire to a high voltage. Do not touch the exposed contacts or
components.
Look over All Terminals’ Ratings.
To avoid fire or electric shock, please look over all ratings and sign instruction
of the instrument. Before connecting the instrument, please read the manual
carefully to gain more information about the ratings.
Not Operate with Suspected Failures.
If you suspect that there is a damage of the instrument, please let a qualified
service personnel check it.
Avoid Circuit or Wire Exposed Components Exposed.
Do not touch exposed contacts or components when the power is on.
Do not operate in wet/damp conditions.
Do not operate in an explosive atmosphere.
Keep the surface of the instrument clean and dry.
Only probe assemblies which meet the requirement of UL61010-031 and
CAN/CSA-C22.2 No.61010-031 shall be used.
Only lithium battery with the same specification could be used to
replace the battery on board.
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Not to use the equipment for measurements on mains circuits, not to
use the equipment for measurements on voltage exceed the voltage
range describe in the manual. The maximum additional transient voltage
cannot exceed 1300V.
The responsible body or operator should refer to the instruction manual
to preserve the protection afford by the equipment. If the equipment is
used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
Any parts of the device and its accessories are not allowed to be
changed or replaced, other than authorized by the manufacturer of his
agent.
2.2 Safety Terms and Symbols
When the following symbols or terms appear on the front or rear panel of the
instrument or in this manual, they indicate special care in terms of safety.
This symbol is used where caution is required. Refer to the
accompanying information or documents in order to protect against
personal injury or damage to the instrument.
This symbol warns of a potential risk of shock hazard.
This symbol is used to denote the measurement ground connection.
This symbol is used to denote a safety ground connection.
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This symbol shows that the switch is an On/Standby switch. When it
is pressed, the scope’s state switches between Operation and
Standby. This switch does not disconnect the device's power supply.
To completely power off the scope, the power cord must be
unplugged from the AC socket after the oscilloscope is in the
standby state.
This symbol is used to represent alternating current, or "AC".
CAUTION
The "CAUTION" symbol indicates a potential hazard. It calls
attention to a procedure, practice or condition which may be
dangerous if not followed. Do not proceed until its conditions are fully
understood and met.
WARNING
The "WARNING" symbol indicates a potential hazard. It calls
attention to a procedure, practice or condition which, if not followed,
could possibly cause bodily injury or death. If a WARNING is
indicated, do not proceed until the safety conditions are fully
understood and met.
2.3 Working Environment
The design of the instrument has been verified to conform to EN 61010-1 safety
standard per the following limits:
Environment
This instrument is intended for indoor use and should be operated in a clean,
dry environment.
Ambient Temperature
Operating: 0 ℃ to +40 ℃
Non-operation: -20 ℃ to +60 ℃
Note: Direct sunlight, radiators, and other heat sources should be taken into
account when assessing the ambient temperature.
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Humidity
Operating: 85% RH, 40 ℃, 24 hours
Non-operating: 85% RH, 65 ℃, 24 hours
Altitude
Operating: ≤ 3,000 m
Non-operating: ≤ 15,266 m
Installation (overvoltage) Category
This product is powered by mains conforming to installation (overvoltage)
Category II.
Note: Installation (overvoltage) category I refers to signal level which is
applicable to equipment measurement terminals connected to the source circuit.
In these terminals, precautions are done to limit the transient voltage to the
corresponding low level.
Installation (overvoltage) category II refers to the local power distribution level
which is applicable to equipment connected to the AC line (AC power).
Degree of Pollution
The oscilloscopes may be operated in environments of Pollution Degree II.
Note: Degree of Pollution II refers to a working environment which is dry and
non-conductive pollution occurs. Occasional temporary conductivity caused by
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condensation is expected.
IP Rating
IP20 (as defined in IEC 60529).
2.4 Cooling Requirements
This instrument relies on the forced air cooling with internal fans and
ventilation openings. Care must be taken to avoid restricting the airflow
around the apertures (fan holes) at each side of the scope. To ensure
adequate ventilation it is required to leave a 15 cm (6 inch) minimum gap
around the sides of the instrument.
CAUTION: Do not block the ventilation holes located on both sides of
the scope.
CAUTION: Do not allow any foreign matter to enter the scope through
the ventilation holes, etc.
2.5 Power and Grounding Requirements
The instrument operates with a single-phase, 100 to 240 Vrms (+/-10%) AC
power at 50/60 Hz (+/-5%).
No manual voltage selection is required because the instrument automatically
adapts to line voltage.
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Depending on the type and number of options and accessories (probes, PC
port plug-in, etc.), the instrument can consume up to 100 W of power.
Note: The instrument automatically adapts to the AC line input within the
following ranges:
Voltage Range:
90 - 264 Vrms
Frequency Range:
47 - 63 Hz
The instrument includes a grounded cord set containing a molded three-
terminal polarized plug and a standard IEC320 (Type C13) connector for
making line voltage and safety ground connection. The AC inlet ground
terminal is connected directly to the frame of the instrument. For adequate
protection against electrical shock hazard, the power cord plug must be
inserted into a mating AC outlet containing a safety ground contact. Use only
the power cord specified for this instrument and certified for the country of
use.
Warning: Electrical Shock Hazard!
Any interruption of the protective conductor inside or outside of the
scope, or disconnection of the safety ground terminal creates a
hazardous situation.
Intentional interruption is prohibited.
The position of the oscilloscope should allow easy access to the socket. To
make the oscilloscope completely power off, unplug the instrument power
cord from AC socket.
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The power cord should be unplugged from the AC outlet if the scope is not to
be used for an extended period of time.
CAUTION: The outer shells of the front panel terminals (CH1, CH2,
CH3, CH4, EXT) are connected to the instrument’s chassis and
therefore to the safety ground.
2.6 Cleaning
Clean only the exterior of the instrument, using a damp, soft cloth. Do not use
chemicals or abrasive elements. Under no circumstances allow moisture to
penetrate the instrument. To avoid electrical shock, unplug the power cord
from the AC outlet before cleaning.
Warning: Electrical Shock Hazard!
No operator serviceable parts inside. Do not remove covers.
Refer servicing to qualified personnel
2.7 Abnormal Conditions
Do not operate the scope if there is any visible sign of damage or has been
subjected to severe transport stresses.
If you suspect the scope’s protection has been impaired, disconnect the
power cord and secure the instrument against any unintended operation.
Proper use of the instrument depends on careful reading of all instruction and
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labels.
Warning: Any use of the scope in a manner not specified by the
manufacturer may impair the instrument’s safety protection. This
instrument should not be directly connected to human subjects or used
for patient monitoring.
2.8 Safety Compliance
This section lists the safety standards with which the product complies.
U.S. nationally recognized testing laboratory listing
UL 61010-1:2012/R: 2018-11. Safety Requirements for Electrical
Equipment for Measurement, Control, and Laboratory Use – Part 1:
General Requirements.
UL 61010-2-030:2018. Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use – Part2-030: Particular
requirements for testing and measuring circuits.
Canadian certification
CAN/CSA-C22.2 No. 61010-1:2012/A1:2018-11. Safety Requirements for
Electrical Equipment for Measurement, Control, and Laboratory Use –
Part 1: General Requirements.
CAN/CSA-C22.2 No. 61010-2-030:2018. Safety Requirements for
Electrical Equipment for Measurement, Control, and Laboratory Use –
Part 2-030: Particular requirements for testing and measuring circuits.
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Informations essentielles sur la sécurité
Ce manuel contient des informations et des avertissements que les
utilisateurs doivent suivre pour assurer la sécurité des opérations et maintenir
les produits en sécurité.
Exigence de Sécurité
Lisez attentivement les précautions de sécurité ci - après afin d 'éviter les
dommages corporels et de prévenir les dommages aux instruments et aux
produits associés. Pour éviter les risques potentiels, utilisez les instruments
prescrits.
Éviter l 'incendie ou les lésions corporelles.
Utilisez une ligne d 'alimentation appropriée.
Seules les lignes d'alimentation en électricité réservées à l'usage exclusif
d'instruments reconnus au niveau local peuvent être utilisées.
Posez vos instruments par terre.
L 'appareil est mis à la Terre par des conducteurs tera protecteurs de lignes
électriques.Pour éviter le contact électrique, le fil de masse doit être mis à la
terre. Avant de connecter les bornes d 'entrée ou de sortie, assurez - vous
que l' instrument est correctement mis à la terre.
Connectez correctement la ligne de signal.
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Le potentiel de la ligne de signaux est égal à la terre, de sorte que la ligne de
signaux ne doit pas être connectée à une haute tension.Ne touche pas les
contacts ou les composants nus.
Affiche la valeur nominale de toutes les bornes.
Pour éviter les incendies ou les coupures d 'électricité, consultez toutes les
valeurs nominales et signez la description de l' instrument. Avant de
connecter l 'instrument, lisez attentivement le Manuel pour obtenir davantage
d' informations sur la valeur nominale.
Ne pas travailler en cas de panne.
Si vous soupçonnez que l 'appareil est endommagé, demandez au personnel
d' entretien qualifié de l 'examiner.
L 'exposition du circuit ou de l' élément d 'exposition du fil est évitée.
Lorsque l 'alimentation est connectée, aucun contact ou élément nu n' est mis
en contact.
Ne pas fonctionner dans des conditions humides / humides.
Pas dans un environnement explosif.
Maintenez la surface de l 'instrument propre et sec.
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Le Circuit d 'alimentation électrique ne peut pas être mesuré à l' aide du
dispositif, ni la tension qui dépasse la plage de tension décrite dans le
présent manuel.
Seuls les ensembles de sondes conformes aux spécifications du
fabricant peuvent être utilisés.
L'organisme ou l'opérateur responsable doit se référer au cahier des
charges pour protéger la protection offerte par le matériel.La protection
offerte par le matériel peut être compromise si celui - ci est utilisé de
manière non spécifiée par le fabricant.
Aucune pièce du matériel et de ses annexes ne peut être remplacée ou
remplacée sans l'autorisation de son fabricant.
Remplacer la batterie dans l 'appareil avec les mêmes spécifications de
batterie au lithium.
Termes et symboles de sécurité
Lorsque les symboles ou termes suivants apparaissent sur le panneau avant
ou arrière de l'instrument ou dans ce manuel, ils indiquent un soin particulier
en termes de sécurité.
Ce symbole est utilisé lorsque la prudence est requise. Reportez-
vous aux informations ou documents joints afin de vous protéger
contre les blessures ou les dommages à l'instrument.
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Ce symbole avertit d'un risque potentiel de choc électrique.
Ce symbole est utilisé pour désigner la connexion de terre de
mesure.
Ce symbole est utilisé pour indiquer une connexion à la terre de
sécurité.
Ce symbole indique que l'interrupteur est un interrupteur marche /
veille. Lorsqu'il est enfoncé, l'état de l'oscilloscope bascule entre
Fonctionnement et Veille. Ce commutateur ne déconnecte pas
l'alimentation de l'appareil. Pour éteindre complètement
l'oscilloscope, le cordon d'alimentation doit être débranché de la
prise secteur une fois l'oscilloscope en état de veille.
Ce symbole est utilisé pour représenter un courant alternatif, ou
"AC".
CAUTION
Le symbole " CAUTION" indique un danger potentiel. Il attire
l'attention sur une procédure, une pratique ou une condition qui peut
être dangereuse si elle n'est pas suivie. Ne continuez pas tant que
ses conditions n'ont pas été entièrement comprises et remplies.
WARNING
Le symbole " WARNING" indique un danger potentiel. Il attire
l'attention sur une procédure, une pratique ou une condition qui, si
elle n'est pas suivie, pourrait entraîner des blessures corporelles ou
la mort. Si un AVERTISSEMENT est indiqué, ne continuez pas tant
que les conditions de sécurité ne sont pas entièrement comprises et
remplies.
Environnement de travail
La conception de l'instrument a été certifiée conforme à la norme EN 61010-1,
sur la base des valeurs limites suivantes:
Environnement
Cet instrument est utilisé à l 'intérieur des locaux et doit être utilisé dans un
environnement propre et sec.
Température ambiante
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En fonctionnement: 0 ℃ à +40 ℃
Hors fonctionnement: -20 ℃ à +60 ℃
Note: pour évaluer la température de l'environnement, il convient de tenir
compte des rayonnements solaires directs, des radiateurs thermiques et
d'autres sources de chaleur.
Humidité
Fonctionnement: 85% HR, 40 ℃, 24 heures
Hors fonctionnement: 85% HR, 65 ℃, 24 heures
Altitude
Fonctionnement: ≤ 3000m
À l'arrêt: ≤ 15 266 m
Catégorie d 'installation (surtension)
Ce produit est alimenté par une alimentation électrique conforme à l
'installation (surtension) Catégorie II.
Installation (overvoltage) Category Definitions Définition de catégorie d
'installation (surtension)
La catégorie II d'installation (surtension) est un niveau de signal applicable
aux terminaux de mesure d' équipement reliés au circuit source.Dans ces
bornes, des mesures préventives sont prises pour limiter la tension transitoire
à un niveau inférieur correspondant.
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La catégorie II d'installation (surtension) désigne le niveau local de distribution
d 'énergie d' un équipement conçu pour accéder à un circuit alternatif
(alimentation alternative).
Degré de pollution
Un oscilloscope peut être utilisé dans un environnement Pollution Degree II.
Note: Pollution Degree II signifie que le milieu de travail est sec et qu'il y a
une pollution non conductrice.Parfois, la condensation produit une
conductivité temporaire.
IP Rating
IP20 (as defined in IEC 60529).
Exigences de refroidissement
Cet instrument repose sur un refroidissement à air forcé avec des ventilateurs
internes et des ouvertures de ventilation. Des précautions doivent être prises
pour éviter de restreindre le flux d'air autour des ouvertures (trous de ventilateur)
de chaque côté de la lunette. Pour assurer une ventilation adéquate, il est
nécessaire de laisser un espace minimum de 15 cm (6 pouces) sur les côtés
de l'instrument.
ATTENTION: Ne bloquez pas les trous de ventilation situés des deux
côtés de la lunette.
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ATTENTION: Ne laissez aucun corps étranger pénétrer dans la lunette
par les trous de ventilation, etc.
Connexions d'alimentation et de terre
L'instrument fonctionne avec une alimentation CA monophasée de 100 à 240
Vrms (+/- 10%) à 50/60 Hz (+/- 5%).
Aucune sélection manuelle de la tension n'est requise car l'instrument
s'adapte automatiquement à la tension de ligne.
Selon le type et le nombre d'options et d'accessoires (sondes, plug-in de port
PC, etc.), l'instrument peut consommer jusqu'à 100 W d'énergie.
Remarque: l'instrument s'adapte automatiquement à l'entrée de ligne CA
dans les plages suivantes:
Plage de tension:
90 - 264 Vrms
Gamme de
fréquences:
47 - 63 Hz
L'instrument comprend un jeu de cordons mis à la terre contenant une fiche
polarisée à trois bornes moulée et un connecteur standard IEC320 (Type C13)
pour établir la tension de ligne et la connexion de mise à la terre de sécurité.
La borne de mise à la terre de l'entrée CA est directement connectée au châssis
de l'instrument. Pour une protection adéquate contre les risques d'électrocution,
la fiche du cordon d'alimentation doit être insérée dans une prise secteur
correspondante contenant un contact de sécurité avec la terre. Utilisez
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uniquement le cordon d'alimentation spécifié pour cet instrument et certifié pour
le pays d'utilisation.
Avertissement: risque de choc électrique!
Toute interruption du conducteur de terre de protection à l'intérieur ou à
l'extérieur de la portée ou la déconnexion de la borne de terre de
sécurité crée une situation dangereuse.
L'interruption intentionnelle est interdite.
La position de l'oscilloscope doit permettre un accès facile à la prise. Pour
éteindre complètement l'oscilloscope, débranchez le cordon d'alimentation de
l'instrument de la prise secteur.
Le cordon d'alimentation doit être débranché de la prise secteur si la lunette ne
doit pas être utilisée pendant une période prolongée.
ATTENTION: les enveloppes extérieures des bornes du panneau avant
(CH1, CH2, CH3, CH4, EXT) sont connectées au châssis de
l'instrument et donc à la terre de sécurité.
Nettoyage
Nettoyez uniquement l'extérieur de l'instrument à l'aide d'un chiffon doux et
humide. N'utilisez pas de produits chimiques ou d'éléments abrasifs. Ne
laissez en aucun cas l'humidité pénétrer dans l'instrument. Pour éviter les
chocs électriques, débranchez le cordon d'alimentation de la prise secteur
avant de le nettoyer.
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Avertissement: risque de choc électrique!
Aucune pièce réparable par l'opérateur à l'intérieur. Ne retirez pas les
capots.
Confiez l'entretien à un personnel qualifié
Conditions anormales
Utilisez l'instrument uniquement aux fins spécifiées par le fabricant.
N'utilisez pas la lunette s'il y a des signes visibles de dommages ou si elle a été
soumise à de fortes contraintes de transport.
Si vous pensez que la protection de l'oscilloscope a été altérée, débranchez le
cordon d'alimentation et sécurisez l'instrument contre toute opération
involontaire.
Une bonne utilisation de l'instrument nécessite la lecture et la compréhension
de toutes les instructions et étiquettes.
Avertissement: Toute utilisation de l'oscilloscope d'une manière non
spécifiée par le fabricant peut compromettre la protection de sécurité de
l'instrument. Cet instrument ne doit pas être directement connecté à
des sujets humains ni utilisé pour la surveillance des patients.
Conformité en matière de sécurité
La présente section présente les normes de sécurité applicables aux produits.
U.S. nationally recognized testing laboratory listing
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■ UL 61010-1:2012/R:2018-11. Prescriptions en matière de sécurité pour les
appareils électriques utilisés en laboratoire et de mesure - partie 1:
prescriptions générales.
■ UL 61010-2-030:2018. Prescriptions de sécurité pour les appareils
électriques de mesure, de contrôle et de laboratoire - partie 2 - 030:
prescriptions spéciales pour les circuits d 'essai et de mesure.
Canadian certification
■ CAN/CSA-C22.2 No. 61010-1:2012/A1:2018-11. Prescriptions en matière de
sécurité pour les appareils électriques utilisés en laboratoire et de mesure -
partie 1: prescriptions générales.
■ CAN/CSA-C22.2 No. 61010-2-030:2018. Prescriptions de sécurité pour les
appareils électriques de mesure, de contrôle et de laboratoire - partie 2 - 030:
prescriptions spéciales pour les circuits d 'essai et de mesure.
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3 First steps
3.1 Delivery Checklist
First, verify that all items listed on the packing list have been delivered. If you
note any omissions or damage, please contact your nearest SIGLENT
customer service center or distributor as soon as possible. If you fail to
contact us immediately in case of omission or damage, we will not be
responsible for replacement.
3.2 Quality Assurance
The oscilloscope has a 3-year warranty (1-year warranty for probe
attachments) from the date of shipment, during normal use and operation.
SIGLENT can repair or replace any product that is returned to the authorized
service center during the warranty period. We must first examine the product
to make sure that the defect is caused by the process or material, not by
abuse, negligence, accident, abnormal conditions or operation.
SIGLENT shall not be responsible for any defect, damage, or failure caused by
any of the following:
a) Attempted repairs or installations by personnel other than SIGLENT.
b) Connection to incompatible devices/incorrect connection.
c) For any damage or malfunction caused by the use of non-SIGLENT
supplies. Furthermore, SIGLENT shall not be obligated to service a
product that has been modified. Spare, replacement parts, and repairs
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have a 90-day warranty.
The oscilloscope's firmware has been thoroughly tested and is presumed to
be functional. Nevertheless, it is supplied without warranty of any kind
covering detailed performance. Products not made by SIGLENT are covered
solely by the warranty of the original equipment manufacturer.
3.3 Maintenance Agreement
We provide various services on the basis of maintenance agreements. We
offer extended warranties as well as installation, training, enhancement and
on-site maintenance and other services through specialized supplementary
support agreements. For details, please consult your local SIGLENT customer
service center or distributor.
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4 Document Conventions
For convenience, text surrounded by a box border is used to represent the
button of the front panel. For example, Print represents the "Print" button on
the front panel. Italicsizedtext with shading is used to represent the touchable
or clickable menu/button/region on the touch screen.For example, DISPLAY
represents the "DISPLAY" menu on the screen:
For the operations that contain multiple steps, the description is in the form of
"Step 1 > Step 2 >...".As an example, follow each step in the sequence to
enter the upgrade interface:
Utility＞System Setting＞Upgrade
Press the Utility button on the front panel as step 1, click the System Setting
option on the screen as step 2, and click the Update option on the screen as
step 3 to enter the upgrade interface.
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5 Getting Started
5.1 Power on
SDS5000X provides two ways for power on, which are:
Power on Line
When the “Power on Line” option is enabled, once the oscilloscope is
connected to the AC power supply through the power cord, the oscilloscope
boots automatically. This is useful in automated or remote applications where
physical access to the instrument is difficult/impossible.
Steps for enabling the "Power on Line" function:
Utility＞Power On Line
Power on by Manual
When the "Power on Line” option is disabled, the power button on the front
panel is the only control for the power state of the oscilloscope.
5.2 Shut down
Press the power button to turn off the oscilloscope. Or follow the steps below:
Utility＞Shutdown
Note: The Power button does not disconnect the oscilloscope from the AC
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power supply. The only way to fully power down the instrument is to unplug the
AC power cord from the outlet. The power cord should be unplugged from the
AC outlet if the scope is not to be used for an extended period of time.
5.3 System Status
Follow the steps below to examine the software and hardware versions of the
oscilloscope.
Utility＞System Setting＞System Status
See the section " System Status" for details.
5.4 Install Options
A license is necessary to unlock a software option. See the section " Install
Option" for details.
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6 Probe
Please visit the website at
www.siglent.com for technical data and ordering
information.
Probe Compensation
When a passive probe is used for the first time, you should compensate it to
match the input channel of the oscilloscope. Non-compensated or poorly
compensated probe may increase measurement inaccuracy or error. The
probe compensation procedures are as follows:
1. Connect the coaxial cable interface (BNC connector) of passive probe
to any channel of the oscilloscope.
2. Connect the probe to the “Compensation Signal Output Terminal”
(Cal) on the front of the oscilloscope. Connect the ground alligator clip
of the probe to the “Ground Terminal” under the compensation signal
output terminal.
3. Press the Auto Setup button.
4. Check the waveform displayed and compare it with the following.
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Under
Compensated
Perfectly
Compensated
Over
Compensated
5. Use a non-metallic driver to adjust the low-frequency compensation
adjustment hole on the probe until the waveform displayed is as the
“Perfectly compensated” in the figure above.
It’s not necessary to compensate an active probe.
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7 Quick Start
7.1 Front Panel Overview
A. Touch Screen Display: The display and major functions area. See
"Touch Screen Display" chapter for more details.
B. Front Panel: Includes knobs and buttons. See "Front Panel" chapter
for more details.
C. Probe Compensation/ Ground Terminal: Supplies a 0-3.3 V, 1 kHz
square wave for compensating the probes.
D. USB Host Ports: Connect the USB host ports to USB storage
devices for data transfer, or USB mouse / keyboard for control.
E. Digital Input Connector: Receives digital signals from the SPL2016
digital probe.
F. Analog Input Connectors
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G. Power Switch
H. Supporting Legs: Adjust the supporting legs properly to use them as
stands to tilt the oscilloscope for stable positioning of the oscilloscope.
7.2 Rear Panel Overview
A. Auxiliary Out: Outputs the trigger indicator. When Pass / Fail is
enabled, outputs the pass / fail signal.
B. Ext Trigger Input
C. 10MHz Clock Input/Output: Receives or outputs 10 MHz reference
clock for synchronization between the oscilloscope and other
instruments.
D. VGA Video Output: Connect the port to an external monitor. The
resolution is 1024 * 600.
E. LAN Port: Connect the port to the network for remote control.
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F. USB Ports: One USB device to connect with a PC for remote control
and one USB host to connect with a USB storage device or USB
mouse / keyboard.
G. AC Power Input
H. Handle
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7.3 Connecting to External Devices/Systems
7.3.1 Power Supply
The standard power supply for the instrument is 100~240 V, 50/60 Hz or
100~120 V, 400 Hz. Please use the power cord provided with the instrument
to connect it to AC power.
7.3.2 LAN
Connect the LAN port to the network with a network cable with RJ45 head for
remote control.
Follow the steps below to set LAN connection:
Utility
＞
System Setting
＞
I/O
＞
LAN Config
7.3.3 USB Peripherals
Connect a USB storage device (FAT32 format) to one of the USB host ports
for data transfer, or connect USB mouse / keyboard to one of the USB host
ports for controlling the instrument.
7.3.4 External Monitor
Use a D-Sub cable to connect the VGA port to an external monitor. The video
signal from the VGA port has a 1024 * 600 resolution.
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7.3.5 Auxiliary Output
When Pass / Fail is enabled, the port outputs the pass / fail signal, otherwise it
outputs the trigger indicator.
See the chapter "Mask Test" for more details.
7.3.6 SAG1021I Waveform Generator
Activate the SDS-5000X-FG option and connect the SAG1021I USB function /
arbitrary waveform generator module to any USB host pot on the oscilloscope.
The oscilloscope can now control the USB module to output specified
waveforms.
Press the WaveGen button on the front panel or touch the screen Utility
＞
AWG Menu to set the waveform.
7.3.7 Probes
The SDS5000X series oscilloscope supports active probe and passive
probes. The specifications and documents of the probe can be obtained at
www.siglent.com.
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7.3.8 Logic Probe
To connect the logic probe: Insert the probe, with the correct side facing up,
until you hear a “click”.
To remove the logic probe: Depress the buttons on each side of the probe,
then pull out it.
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8 Touch Screen Display
8.1 Overview
The entire SDS5000X display is a capacitive touch screen. Use your fingers to
touch, drag, pinch, spread, or draw a selection box. Many controls that display
information also work as “buttons” to access other functions. If you using any
mouse, you can click anywhere – that you can touch - to activate a control; in
fact, you can alternate between clicking and touching the control, whichever is
convenient.
A. Menu Bar
B. Grid Area
C. Trigger Level Indicator
D. Cursors
E. Channel Descriptor box descriptor boxes
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F. Trigger Delay Indicator
G. Timebase and Trigger descriptor box
H. Dialog Box
Trigger Level Line (Vertical) and Trigger Delay Indicator (Horizontal) show
the trigger position of the waveform.
Cursors show where measurement points have been set. Move the cursors
to quickly reposition the measurement point.
Channel Descriptor boxes include analog channels (C1 ~ C4), digital
channels (D), math (M) and reference (Ref). They are located under the grid
area, showing the parameters of the corresponding traces. Touching the
boxes creates a dialog box.
Timebase and Trigger Descriptor boxes show the parameters of the
timebase and trigger respectively. Touching the boxes creates a dialog box for
the selected item.
Backlight of the display is adjustable. Follow the steps below to adjust the
backlight:
Display
＞
Backlight
8.2 Menu Bar
Menu bar with drop-down menus lets you access set-up dialogs and other
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functions. All functionality can be accessed through the menu bar. It is not
necessary for common operations. You can enter most menus by using the
front panel or parameter description labels instead of the menu bar. However,
the following operations can only be accessed through the menu bar:
Utility >Help
Acquire >Sequence
Acquire >XY Mode
Trigger >Zone
Analysis >Mask Test
Analysis >DVM
Analysis >Histogram
Analysis >Bode Plot
Analysis >Power Analysis
Analysis >Counter
8.3 Grid Area
The grid area displays the waveform traces. Traces can be moved by
dragging, and re-scaled by pinch and spread. The area is divided into 8
(vertical) * 10 (horizontal) grids. The best display effect can be obtained by
adjusting the waveform intensity and graticule. Follow the steps below to set
these parameters:
Display
＞
Intensity，
Display
＞
Graticule
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There are multiple indicators on the grid:
Trigger Level Indicator shows the level
where the waveform triggers on the vertical
axis.
Trigger Delay Indicator locates where the
waveform triggers on the horizontal axis...
When the trigger position is outside the
screen, the direction of the triangle changes
to point outside the screen.
Channel Offset Indicator with a channel
number shows the offset position of the
corresponding channel.
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8.4 Channel Descriptor Box
A. Channel Index
B. Bandwidth Limit
indicator
C. Coupling and Input
Impedance
D. Vertical Scale
E. Vertical Offset
F. Probe Attenuation
Factor
Bandwidth Limit Indicators:
The SDS5000X has two available bandwidth limits: 20 and 200 MHz. They are
indicated by the following icons:
：20MHzbandwidth limit
：200MHzbandwidth limit
None: Full bandwidth
Invert Indicator--shows that the current channel is inverted:
： Invert has been turned on
None: Invert has been turned off
Coupling and Input Impedance:
：DC coupling, 1MΩ impedance
：DC coupling, 50Ω impedance
：AC coupling, 1MΩ impedance
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：AC coupling, 50Ω impedance
：Ground
Vertical Scale: The scale of each grid in the vertical direction. For example,
when the vertical scale is 1.00V/div, the full scale of the oscilloscope is
1.00V/div*8div=8V.
Vertical Offset: The offset of the channel in the vertical direction. When the
vertical offset is 0, the channel offset indicator is located in the middle of the
vertical axis.
Probe Attenuation Factor: Set the probe attenuation factor to match the
actual attenuation of the probe. The oscilloscope automatically calculates the
vertical scale according to the probe attenuation factor. For example, the
vertical scale of the oscilloscope is 100mV/div with 1X attenuation, and 1V/div
if the attenuation factor is changed to 10X. When inserting a standard 10X
passive probe with probe sense terminal, the oscilloscope will automatically
set the factor to 10X.
：1:1 attenuation, suitable for direct coaxial cable connection or passive
probes with 1X attenuation
：10:1 attenuation, suitable for general passive probes or active probes
with 10X attenuation
：100:1 attenuation, suitable for some high-voltage probes
：Custom attenuation factor
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8.5 Timebase and Trigger Descriptor Boxes
A. Trigger delay
B. Horizontal scale
（timebase）
C. # Samples
D. Sample Rate
Trigger delay: The time offset of trigger position. When trigger delay is 0, the
trigger delay indicator is in the center of the horizontal axis of the grid area.
Horizontal scale: Timebase, the time of each grid in the horizontal direction.
For example, if the scale is 500us/div, the time of each grid is 500us, and the
full screen time range of the oscilloscope is 500us/div*10div = 5ms.
# Samples: The number of sample points on the current screen.
Sample Rate: The current sample rate.
A. Trigger source
B. Trigger coupling
C. Trigger mode
D. Trigger level
E. Trigger type
F. Trigger slope
Trigger source
C1~C4:Analog channels
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EXT: External trigger channel
EXT/5:5x attenuation of external trigger channel
AC Line: AC mains supply
D0~D15: Digital channels
Trigger coupling: Coupling mode of the current trigger source. It is only valid
when the trigger source is C1~C4, EXT or EXT/5.
DC：All the signal’s frequency components are coupled to the trigger
circuit for high frequency bursts or where the use of AC coupling would
shift the effective trigger level.
AC：The signal is capacitively coupled. DC levels are rejected. See the
datasheet for details of the cut-off frequency.
HFR：Signals are DC coupled to the trigger circuit, and a low-pass filter
network attenuates high frequencies (used for triggering on low
frequencies). See the datasheet for details of the cut-off frequency.
LFR：The signal is coupled through a capacitive high-pass filter network,
DC is rejected and low frequencies are attenuated. For stable triggering
on medium to high frequency signals. See the datasheet for details of
the cut-off frequency.
Trigger mode
Auto: The oscilloscope will sweep without a set trigger. An internal timer
triggers the sweep after a preset timeout period so that the display
refreshes continuously. This is helpful when first analyzing unknown
signals. Otherwise, Auto functions the same as Normal when a trigger
condition is found.
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Normal: Sweeps only if the input signal meets the trigger condition.
Otherwise it continues to display the last acquired waveform.
Stop: Stops the acquisition and displays the last acquired waveform.
Trigger level: The source voltage level or levels that mark the threshold for the
trigger to fire. Trigger levels specified in Volts normally remain unchanged when
the vertical gain or offset is modified.
Trigger type: See the chapter "Trigger" for details.
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8.6 Dialog Box
Dialog box on the right side of the screen is the main area for setting the
parameters of the selected function.
A. Title bar. Touching the
bar can hide the dialog
box, and touching again
can open the dialog box.
B. Parameter setting area.
C. Scroll bar. When
parameters are more
than the displayed
range, the blue scrollbar
will be displayed. By
sliding the dialog area
up and down, or rolling
the mouse wheel, it can
scroll to the area not
displayed.
To Set Parameters
The SDS5000X provides a couple of different ways to input/select parameters:
Switch: Sets parameters with two states, such
as to enable or disable a function. Touch the
switch region to change from one state to the
other.
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List: Sets parameters with
more than two options,
such as coupling mode of
channels. Touch the
parameter region, and
then select the expected
option from the pop-up
list.
Virtual Keypad: Sets parameters with
numerical value. Touch the parameter region,
and the parameter can be adjusted by the
universal knob on the front panel; touch the
region again, then the virtual keypad appears：
Let’s use the operation of setting the “deskew” of a channel as an example: If
the expected value is 65 ns, input “65” on the virtual keypad, and then choose
the unit n to complete the operation. On the virtual keypad, touching the
button Max, Min, and Default quickly sets the parameter to its maximum,
minimum and default values.
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Hide Dialog Box
When the dialog box is opened, the grid area will be compressed horizontally
to display the complete waveform. After setting the parameters, in order to
achieve the best waveform display effect, you can touch the title bar in the
upper right corner to hide the dialog box. Touching it again can open the
dialog box.
Turn on the Dialog box
Turn off the Dialog box
8.7 Touch Gestures
Waveforms, cursors and trigger level can be adjusted and rectangular zone can
be drawn by touch gestures in the grid area.
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Drag the waveform left and right to move
it on the horizontal axis
Pinch and spread the waveform
horizontally to re-scale the timebase
Drag the waveform up and down to move
it on the vertical axis
Pinch and spread the waveform vertically
to re-scale the vertical gain
Touch and drag the cursor to move it
Touch and drag the cursor information
region to move the pair of cursors
simultaneously
Draw a rectangular box to create a zone
or a histogram region. At the beginning of
the gesture keep the angle close to 45°so
it can be recognized as the drawing box
gesture
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8.8 Mouse and Keyboard Operation
The SDS5000X user interface features mouse control as well as the touch
screen. . If the oscilloscope is connected to a USB mouse, you can click on
the object with the mouse instead of touching the object. Similarly, if a USB
keyboard is connected, you can use the keyboard to input characters instead
of using the virtual keyboard.
8.9 Choosing the Language
Follow Utility
＞
System Setting
＞
Language to choose the language. See the
section " Language" for details.
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9 Front Panel
9.1 Overview
The front panel is designed to
operate the basic functions
without having to open the
software menu. Most of the
front panel controls duplicate
functionality available through
the touch screen display but
the operation is more quickly
achieved.
All the knobs on the front panel are multi-
function. They can be pushed as well as
rotated. . Pushing a knob quickly recalls a
specific function, which is indicated by the
silkscreen near to the knob.
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9.2 Vertical Control
A. When a channel is disabled, push channel button to turn it on. When
the channel is turned on and activated, push the button to disable it.
B. Rotate the knob to adjust the DC offset or vertical position of the
channel. Push to set the offset to zero
C. Rotate the knob to adjust vertical scale (volts/div); push to switch to
alternate between coarse and fine adjustments.
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9.3 Horizontal Control
A. Rotate to adjust horizontal scale (time/div); push to enable Zoom;
push again to exit Zoom mode.
B. Rotate to adjust trigger delay; push to set trigger delay to zero.
C. Push to enable horizontal Roll; push again to exit Roll mode. At
timebase settings larger than 50ms/div, it is recommended to set the
oscilloscope to Roll mode so that the waveform is displayed in real
time.
D. Push to enable Search; push again to close Search.
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9.4 Trigger Control
A. Opens trigger setup dialog box
B. Single mode: Triggers once when all conditions are met
C. Normal mode: Triggers repeatedly when all conditions are met
D. Auto mode: Triggers after preset period if no valid trigger occurs
E. Trigger level adjustment: Push to set the level to 50% of the
waveform
9.5 Run/Stop Button
Press the button to switch the acquisition state between
Run and Stop. When the state is Run, and the button is
illuminated in yellow; when the state is Stop, the button
is illuminated in red.
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9.6 Auto Setup Button
The oscilloscope will automatically set the vertical
scale, horizontal scale and trigger level according to
the input signal to get optimum waveform display. You
can also perform an Auto Setup operation following the
steps Trigger ->Auto Setup.
9.7 Decode/Digital/Math/Ref Control
A. Press the button to turn on serial bus decode function and open the
DECODE dialog box. Press again to turn off the decode function.
B. Press the button to turn on the digital channel and open the DIGITAL
dialog box. Press again to turn off the digital channels.
C. Press the button to turn on the math function and open the MATH
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dialog box. Press again to turn off math function.
D. Press the button to turn on the reference function and open
REFERENCE dialog box. Press again to turn off the reference
function.
E. Rotate the knob to adjust the vertical scale (Volt/div) of Math or Ref. It
can also be used to change the selected digital channel.
F. Rotate the knob to adjust the vertical offset of Math or Ref, press
down the knob to quickly reset the vertical offset to zero. It can also
be used to adjust the position of selected digital channel on the
screen.
9.8 Navigate Control
A. Press the button to turn on navigate function and open the
NAVIGATE dialog box. Press again to turn off navigate.
B. Play backward
C. Pause
D. Play forward
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9.9 Cursors Control
A. Push the button to open the cursors setup
dialog box
B. Rotate the knob to move selected cursor;
push to select different cursor
9.10 Universal Knob
When the parameter setting area is highlighted, you
can use the Universal Knob to adjustor set the
parameter. Press the knob to select an option from
the list. The default function of the Universal Knob
is to adjust intensity of the waveform traces.
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9.11 Other Buttons
Performs a screenshot save to an external storage
device. The supported format includes.bmp\.jpg\.png.
Clears the data or display in multiple sweeps, including
display persistence, measurement statistics, average
sweeps and Pass/Fail statistics.
Enables/Disables the touch screen. The LED on the
button lights to indicate that the touch screen is working.
Resets the oscilloscope to the default configuration.
Recalls the ACQUIRE dialog box.
Recalls the SAVE/RECALL dialog box.
Recalls the AWG dialog box. The LED on the button
lights to indicate the output of the AWG is enabled.
Enables/Disables measurements and recalls the
MEASURE dialog box.
Press the button to recall the DISPLAY dialog box. The
second press turn on Persist, and lights the button.
Press the button again to turn off Persist.
Recalls the UTILITY dialog box.
Enables/Disables measurement and recalls the
HISTORY dialog box.
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10 Multiple Approaches to Recall Functions
The oscilloscope can recall functions through different approaches.
10.1 Menu Bar
If you are familiar with common current computer programs, you may first
choose to access a function by the drop-down menu from the menu bar at the
top of the display.
For example, to open the trigger setup dialog box, you can follow the steps
below:
Trigger>Menu
The operations can be completed either by touch
or by mouse clicks.
10.2 Descriptor Box
For setup of channels, math, ref, timebase and trigger, there are dialog boxes
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at the bottom of the display. For the introduction of the descriptor box, see
sections "Channel Descriptor Box" and "Timebase and Trigger Descriptor
Box".
For the example above, touch the trigger descriptor
box and the trigger setup dialog box will be activated.
10.3 Shortcut Button on the Front panel
Most of the functions of the oscilloscope can be recalled directly by the
shortcut buttons on the front panel. See the chapter "Front Panel" for details.
To open the trigger setup dialog box, press the Setup
button in the trigger control area on the front panel.
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11 Quickly Capture the Signal
This is an example about how to acquire a signal quickly. In this example we
assume the signal is connected to channel 1 and channel 1is turned off.
First, press channel 1 button to turn on channel 1. The LED
on the button lights, and the descriptor box of channel 1 is
displayed at the bottom of the screen.
Second, press the Auto Setup button. The oscilloscope will
automatically adjust the vertical scale, horizontal scale and
trigger level according to the input signal to get optimum
waveform display.
Auto Setup will not work on all signal types, especially time-varying bursts or
slow signals (< 100 Hz). If Auto Setup cannot achieve desired settings, you can
manually adjust the vertical, horizontal, and trigger systems. See the chapters
"Vertical Setup", "Horizontal and Acquisition Setup" and "Trigger" for details.
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12 Vertical Setup
12.1 Turn on/off a Channel
From the Front Panel
Push the channel button（1-4）to turn on the corresponding channel. Its
channel descriptor box and dialog box will appear on the display. Push the
same button again to disable the channel.
From the Touch Screen
Touch the + button and then select the expected channel to turn it on, and
its channel descriptor box and dialog box will appear on the display. Touch the
channel descriptor box and then touch the Off button to disable it.
Turn on C1
Turn off C1
12.2 Channel Setup
Touch the channel descriptor box, a quick dialog will pop up. Vertical scale and
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offset can also be set from this dialog box.
A. Touch the region to set the vertical
scale with universal knob or virtual
keypad
B. ▲ to increase the vertical scale and ▼
to decrease
C. Check to coarsely adjust the vertical
scale and uncheck to enable fine
adjustment
D. Touch the region to set the offset with
universal knob or virtual keypad
E. ▲ to increase the offset and ▼ to
decrease
F. Set the offset to zero
G. Copy the setting of current channel to
another channel
H. Quickly apply current channel as
source of a specified operation
(Trigger, FFT, Measure, Cursor,
Search, DVM and Counter)
I. Disable the channel
J. Open the dialog box on the right side
The vertical scale can be adjusted in coarse or fine mode. Fine mode can
reach the full-scale display as close as possible, which can get the best
measurement accuracy in the vertical direction. The oscilloscope
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automatically switches to fine mode when the vertical scale is controlled by
touch gesture.
Activating a channel or touching in the quick dialog of the channel recalls
the channel dialog box, displaying more parameters:
A. Turn channel on/off
B. Coupling (DC, AC or GND)
C. Bandwidth limit (Full, 200 MHz or 20
MHz)
D. Probe attenuation (1X, 10X, 100X or
custom)
E. Set the label text. Click to recall the
label setting. Users can customize the
text and display of the label
F. Quickly apply a specified operation
(Trigger, Cursor, Measure, FFT,
Search, DVM, Histogram, Mask Test,
Counter and AWG) to current channel
G. Impedance
H. Units for the channel
I. Deskew
J. Enable/disable invert
K. Trace visible/hidden
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Coupling
DC: All of the input signal frequency components are passed to the display.
AC: The signal is capacitively coupled. DC signal components are rejected.
See the datasheet for details of the cut-off frequency.AC coupling is
suitable for observing AC signals with DC offset, such as power ripple.
GND: The channel is grounded by an internal switch. GND coupling is used
to observe the zero offset error of the analog channels, or determine the
source of noise in the waveform (from signal or from oscilloscope itself)
Bandwidth Limit
Full bandwidth can pass through signals with high frequency components, but
it also means that noise with high frequency components can pass through.
When the frequency component of the interested signal is very low, better
signal-to-noise ratios (SNR) can be obtained by turning on a bandwidth limit.
The SDS5000X provides two bandwidth limit options: 20 MHz and 200 MHz.
Probe Attenuation
The SDS5000X provides 1X, 10X, 100X and custom probe attenuation factor
options. The custom values can be between 10
-6
~10
6
. The oscilloscope will
automatically convert the vertical scale according to the current probe
attenuation factor. For example, the vertical scale of the oscilloscope under 1X
attenuation is 100 mV/div, and the vertical scale will be automatically set to 1
V/div if the probe attenuation is changed to 10X. If a standard probe with
readout terminal is connected, the oscilloscope will automatically set the probe
attenuation to match the probe.
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Label
Users can set the label text for channels. Open the label setting dialog box to
select the source, customize the label text, and set the display. The source can
be C1~C4, Math and RefA~RefD. The length of the label is limited to 20
characters. The characters beyond this length will not be displayed. When the
“Display” option is set to “on”, the label will be displayed on the right side of the
channel offset indicator.
The labels are hidden
The labels are displayed
Applied to
With this setting, some common functions such as Cursor, Measure, FFT,
Search, DVM, Histogram, Mask Test and AWG can be quickly applied to the
selected channel. Once a function is specified, it will switch directly to the
function menu and automatically set that channel as the source.
Impedance
1 MΩ: When a passive probe with high impedance is connected, the
impedance must be set to 1 MΩ, otherwise the signal will not be detected.
50 Ω: Suitable for high frequency signals transmitted through 50 Ω coaxial
cables and can minimize the amplitude distortion caused by impedance
mismatching.
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Unit
Voltage unit "V" or current unit "A”. When using the current probe, the unit
should be set to "A".
Deskew
Due to the skew between channels, cables or probes, the delay of signals
passing through different measurement paths may be inconsistent. For
example, two coaxial cables with a 1 inch difference in length could introduce
a skew of more than 100 ps. In some scenarios (e.g. measuring the
setup/hold time between clock and data), it may be necessary to compensate
the skew between channels.
The method of compensation: Probe the same signal simultaneously using
two channels (including the cables or probes that you intend to use for
measurements) and adjust the deskew parameter of one channel until the
waveforms of the two channels observed on the screen coincide horizontally.
Before deskew
After deskew
Note: When the channel with deskew compensation is the trigger source, the
trigger delay indicator does not change as the deskew value changes.
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Invert
When invert is enabled, the waveform is rotated 180 degrees around earth
potential (0 Volts).
Before invert
After invert
Trace
When the trace is hidden, the channel waveform is no longer displayed on the
screen.
Trace visible
Trace hidden
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13 Digital Channels
13.1 Overview
SPL2016 Probe
The SPL2016 is a logic probe designed to monitor up to 16 digital signals at
once. The 16 digital channels are separated into two groups and each group
has its own threshold, making it possible to simultaneously view data from
different logic families.
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Note: To avoid personal injury or damage to the logic probe and any
associated equipment, the following safety precautions should be noted.
The equipment shall be used only for the purposes specified by the
manufacturer. The SPL2016 probe is used only for SIGLENT's special series
of oscilloscopes. Protection mechanisms can be compromised if the way the
devices connected by the SPL2016 are not used for their intended purpose.
Connect and disconnect correctly. Excessive bending can damage the cable.
Do not use equipment in humid or explosive environment.
Only used indoors. The SPL2016 is designed to be used indoors and should
only be operated in a clean, dry environment.
Do not use the equipment when you suspect a problem. Do not use the
SPL2016 if any parts are damaged. Maintenance work shall be performed by
maintenance personnel with appropriate qualifications.
Keep product surface clean and dry.
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SDS-5000X-LA16 Option
The software option adds the following functions to the oscilloscope:
Digital channel acquisition and analysis - Acquire and analyze the
signals connected to the digital logic probe, including waveform display,
save, parameter measurement, etc.
Trigger on a digital channel - Trigger with the digital channel as the
trigger source, isolating events of interest.
Decode on a digital channel - Serial protocol decoding of a digital
channel requires the installation of the serial decode option.
13.2 Enable/Disable the Digital Channels
Turning on or off the digital channels is very similar to analog channels. Digital
data can be stored as waveform files. Horizontal cursors and most of
horizontal measurements also apply to digital waveforms.
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A. Digital channel waveform display, which shares the same grid area
with the analog channels.
B. Digital channel descriptor box
C. Dialog box
D. Digital channel indicators. Up to 16 digital channels are organized in
two groups with different thresholds: D15~D8 and D7~D0. Every
channel can be turned on or off individually.
E. Labels, can be set to data, address or custom characters.
From the Front Panel
Press the Digital button on the front panel to turn on digital channels and
display the waveforms. Press again to turn off.
From the Touch Screen
Click + at the bottom of the display and select the "Digital" to turn on; click
the digital channel descriptor box, and clicking Off on the pop-up menu to turn
off. Refer to the operation in the chapter "Vertical Setup" for details.
13.3 Digital Channel Setup
Touch the digital descriptor box, then the quick menu of digital channel
settings pops up above the descriptor box. In the menu height and position of
digital channels can be set:
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A. Upper position limit of the digital
channel display area. You can use the
universal knob or virtual keypad to set
it. Decrease the height to provide
more adjustment area.
B. ▲ to increase position and ▼ to
decrease the channel location.
C. Reset the position to default value
D. The range in height of the digital
channels display area. You can use
the universal knob or virtual keypad to
set it. If the display height covers all of
the available divisions, there will not
be room to adjust the position.
E. ▲ to increase and ▼ to decrease the
number of divisions occupied by the
digital channels
F. Reset the height to default value
G. Turn off the digital channels
H. Open digital dialog box on the right side
Height=8div, Position=0div
Height=4div, Position=1div
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The quick menu only covers the height range and position of the digital
channels display area. More setting can be found in the dialog box.
A. Turn on/off the digital channels
B. Labels, can be set to data, address or
custom characters.
C. Logic threshold of D7~D0.The
oscilloscope will automatically set the
threshold according to specified logic
family, or user can set the threshold
by manual using the Custom option.
D. Logic threshold of D15~D8
E. Set the channels to be displayed
F. Deskew setting
G. Bus setting
Logic Threshold Setting
The threshold level determines how the input signal is evaluated. The threshold
level can be set in the Logic Setting. The input voltage less than the threshold
is recognized as a '0', and the input voltage greater than the threshold is
recognized as a ‘1’.
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The configurable logical level includes TTL, CMOS,
LVCMOS 3.3V, LVCMOS 2.5V and Custom.
The setting range of custom threshold is -10.0V to + 10.0V.
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14 Horizontal and Acquisition Setup
14.1 Timebase Setup
The timebase setup is used to adjust the scale and offset of the X (horizontal)
axis. This setting applies to all analog, digital channels and all math traces
except FFT.
Touch the timebase descriptor box, the quick menu of the timebase settings will
pop up. In the menu timebase (horizontal scale), delay and other parameters
can be set.
A. Set the horizontal scale (timebase) by
the virtual keypad
B. ▲ to increase and ▼ to decrease the
horizontal scale
C. Set the trigger delay by the virtual
keypad
D. ▲ to increase and ▼ to decrease the
trigger delay
E. Set the trigger delay to zero
F. Set the trigger delay to the left part of
the screen
G. Set the trigger delay to the right part of
the screen
H. Open the Acquire dialog box
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14.2 Acquisition Setup
14.2.1 Overview
Touch Acquire Menu on the quick menu of the timebase settings, or press the
Acquire button on the front panel, or touch the menu bar Acquire>Menu to recall
the Acquire dialog box on the right side.
A. Select the acquisition mode
(Normal/Peak/Average/ERES)
B. Select the maximum memory depth
C. Select the interpolation mode
D. Select the Acq mode
Acquisition: See the section " Acquisition" for details.
Memory Depth: The maximum memory depth that can be supported.
According to the formula "acquisition time = sample points x sample interval",
setting a larger memory depth can achieve a higher sample rate for a given
timebase, but more samples require more processing time, degrading the
waveform update rate. With 250 Mpts memory depth, SDS5000X can still run
at full sample rate (5 GSa/s) even when set to the 5 ms/div timebase.
Note: The memory depth here is the upper limit of the memory space allocated
by the oscilloscope. The actual sample points is related to the current timebase
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and may be less than memory depth. The actual sample points information can
be obtained in the timebase descriptor box (see the section "Timebase and
Trigger" for details).
The maximum memory depth in single channel mode is 2 times that of the dual
channel mode, as the following table:
Single Channel Mode
Dual Channel Mode
10k
5k
50k
25k
250k
125k
1.25M
625k
2.5M
1.25M
12.5M
6.25M
25M
12.5M
125M
62.5M
250M
125M
Single channel mode: Only one of C1/C2 is turned on, and only one of C3/C4
is turned on.
Dual channel mode: Both C1/C2 are turned on, or both C3/C4 are turned on.
Interpolation -- At small timebase settings, the number of original points on the
screen may be less than the number display pixels in the grid area, so
interpolation is necessary to display continuous waveform. For example, at 1
ns/div timebase and 5 GSa/s sample rate, the number of original points is 50,
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but the grid area includes 1000 horizontal pixels. In this case, the oscilloscope
needs to interpolate the original points by 20.
X: Linear interpolation, the simplest way of interpolation, connects two
original points with a straight line.
Sinc: Sin(x)/x interpolation, the original point is interpolated according to
the Nyquist reconstruction formula, which has a good time-domain recovery
effect for sine wave. But for step signals/fast rise times, it will introduce false
overshoot due to the Gibbs phenomenon.
X Interpolation
Sinc Interpolation
Acq mode: "Fast" is the default setting. The SDS5000X provides a very high
waveform update rate in fast mode. "Slow" mode will slow down the waveform
update on purpose.
14.2.2 Acquisition
The acquisition mode is used to determine how to acquire and process the
signal.
Normal: The oscilloscope samples the signal with equal time interval. For most
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waveforms, the best display effect can be obtained using this mode.
Peak: Peak detect mode. The oscilloscope acquires the maximum and
minimum values of the signal within the sample interval so the peak (maximum
– minimum) in the interval is obtained. This mode is effective to observe
occasional narrow pulses or spurs with low sample rate, but the noise displayed
is larger. In peak mode, the oscilloscope will display all pulses with a pulse width
longer than 400 ps.
In the following example, a narrow pulse sequence with a pulse width of 3.4 ns
and a period of 200 Hz is sampled at 5 MSa/s sample rate in normal mode and
peak mode. As we can see, because the sample interval (200 ns) is much larger
than the pulse width (3.4 ns), it is difficult to capture the narrow pulses in normal
mode, but peak mode can ensure that each pulse is captured.
Normal mode
Peak mode
Average: The oscilloscope accumulates multiple waveform frames and
calculates the average as the result. If a stable trigger is available, the resulting
average has a random noise component lower than that of a single-shot record.
The more frames that are accumulated, the lower the noise is. For the
SDS5000X, average processing is implemented by hardware engine, so it can
still maintain a high waveform update rate when the acquisition mode is set to
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average.
You can reset the accumulated average by pushing the Clear Sweeps button
on the front panel.
Normal mode
Average mode（32）
Note: Average acquisition is only valid for periodic signals, and it is important
to ensure that the waveform is triggering in a stable way when using average
mode.
ERES: Enhanced resolution mode. The oscilloscope filters the sample, which
rejects noise in the high frequency domain, so the signal-to-noise ratio (SNR)
is improved. As a result, the effective number of bits (ENOB) of the oscilloscope
is enhanced. For the SDS5000X, ERES processing is implemented by the
hardware engine, so it can still maintain a high waveform update rate when the
acquisition mode is average.
Normal mode
ERES mode (3-bit)
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ERES acquisition does not require the signal to be periodic, nor does it require
stable triggering, but due to the digital filtering, the system bandwidth of the
oscilloscope will degrade in ERES mode. The higher the enhanced bits, the
lower the bandwidth. The following table shows the relationship between ERES
bits and bandwidth:
ERES Bits
-3dB bandwidth
0.5
0.25*Sample rate
1
0.115*Sample rate
1.5
0.055*Sample rate
2
0.028*Sample rate
2.5
0.014*Sample rate
3
0.007*Sample rate
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14.2.3 Roll Mode
Press the Roll button on the front panel to enter roll mode. In this mode, the
waveform moves across the screen from right to left, similar to a strip chart
recorder. The horizontal delay control of the waveform will be disabled when
roll mode is active. It only operates at timebase values of 50 ms/div and above.
If you would like to stop the display in Roll mode, press the Run/Stop button.
To clear the display and restart an acquisition in Roll mode, press the Run/Stop
button again.
14.2.4 Sequence
Touch Acquire>Sequence to recall sequence dialog box.
A. Turn on or off sequence
B. Set the segment
Sequence mode is a fast acquisition mode, which divides the memory depth to
multiple segments (up to 100,000), each of which stores a single shot. In
sequence mode the oscilloscope only acquires and stores data without
processing and displaying, until the specified segments are acquired. As a
result, the dead time between trigger events is minimized, thus greatly
improving the waveform update rate. If sequence mode is enabled, the display
will not update until all of the sequences have been acquired. The SDS5000X
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can achieve a minimum 2 us trigger interval in Sequence mode, corresponding
to a waveform update rate of 500,000 wfm/s.
After the acquisition is finished, the oscilloscope will map all the segments
together to the screen. If you need to view and analyze each frame separately,
history mode will help (see the section " History" for details). History mode
provides timestamp labels for each segment.
In addition to minimizing the dead time, another advantage of Sequence mode
is that it can capture and record rare events over long time periods. The
oscilloscope can capture multiple events that satisfy the trigger conditions,
ignoring the periods of no interest between adjacent events, thus maximizing
the use of waveform memory. You can use the full accuracy of the acquisition
timebase to measure selected segments.
Example:
Input a pulse sequence with a period of 50 ms to C1. Rise time of the pulse is
2 ns, while fall time is 100 ns; pulse width is 108 ns, and amplitude is 1.6 Vpp.
Press the AutoSetup button on the front panel.
Sequence N
Stored
Sequence
Sequence N-1
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Set the coupling mode of C1 to DC50Ω, and vertical scale to 500 mV/div,
vertical offset to 0. Set the trigger level to 0.
In normal mode, 5 pulses can be obtained on the screen with the sample rate of 1.25
GSa/s at the maximum memory depth.
Set the trigger mode to "Single", the timebase to 50 ns/div. Turn on the
Sequence mode, and set the segments to maximum (53,969 in this example,
up to 100,000 depending on the number of samples at the current time base).
Wait patiently until the acquisition completes, then all the waveforms satisfying
the trigger conditions are displayed onto the screen.
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In Sequence mode, there is no waveform displayed on the screen until the
acquisition is completed. During acquisition, there is a counter on the screen
indicating the number of segments that have been acquired.
In the example, 53969 pulses can be obtained with the sample rate of 5 GSa/s at the
maximum memory depth.
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14.3 History
Press the History button on the front panel or touch Analysis>History to recall
history dialog box.
A. Turn on or off history mode
B. Specify the frame index
C. Set the playing mode
D. Play backward, pause and
play forward
E. Turn on or off the list
F. List time type
G. Set the time interval between
two frames when playing
automatically
H. Enable “Stop on Search
Event” function, which allows
to navigate search events
across history frames.
I. List, displays the frame index
and time label for each
frame.
The oscilloscope automatically stores acquired frames. It can stores up to
100,000 frames but the number may vary due to the memory depth and
timebase settings. Turn on history mode, then the stored frames can be recalled
and measured.
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Continue with the example in the section above. In Sequence mode, all
waveforms that satisfy the trigger conditions are mapped to the display. If you
need to observe a single frame, you can use history mode.
To enable history mode, touch the Frame No. area twice, then the virtual
numeric keypad pops up. Input the number "5412" to specify the 5412th
segment (frame).
Observing the 5412th frame captured by Sequence in history mode
Touch the List area, turn on the list, in which the time label corresponding to the
5412th waveform is displayed. The time resolution is microseconds. Time label
types includes AcqTime or Delta T, AcqTime corresponds to the absolute time
of the frame, synchronized with the real-time clock of the oscilloscope; Delta T
is the acquisition time interval between adjacent two frames, it is shown as
50msin the following diagram, which is consistent with the period of the actual
waveform.
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Acq Time label
Delta T label
In addition to manually specifying a frame, history mode supports auto play:
Press the softkey to replay the waveform from the current frame to the
first.
Press the softkey to stop replay.
Press the softkey to replay the waveform from the current frame to the
last.
Touch the Interval Time area to control the speed of automatic play. In the
process of automatic play, the list will automatically scroll to the current frame.
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14.4 Zoom
The SDS5000X supports waveform zoom in the
horizontal direction. Press down the horizontal
knob on the front panel to turn on the zoom
function.
When Zoom function is on, the waveform area is divided into upper and lower
parts. The area of about 1/3 height above is the main window, and the area of
about 2/3 height below is the zoom window. Touch a window to activate it.
The area not covered by the gray background in the main waveform area is the
horizontal range to be zoomed in (zoom area). When the zoom window is
activated, the zoom area can be expanded or compressed by rotating the
horizontal scale knob. Clockwise to compress, and the timebase of the Zoom
window decreases. Counterclockwise to expand, and the timebase of the Zoom
window increases. Rotating the horizontal position knob to move the area
horizontally to the left (or right). When the main window is activated, the
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horizontal scale knob and horizontal position knob are used to change the
timebase and trigger delay of main window. The horizontal position of the zoom
area, the horizontal position of the waveform, the horizontal scale of Zoom
window and the horizontal scale of main window can also be controlled by
different gestures, as follows:
Adjust the horizontal position of the zoom area by dragging left and right in the zoom
area of the main window or waveform in Zoom window
Adjust the horizontal position of the waveform by dragging left and right in the gray
area of the main window
Adjust the horizontal scale of Zoom window by horizontal pinch and spread in the
zoom area of the main window or in the Zoom window
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Adjust the horizontal scale of main window by pinch and spread in the gray area of
the main window
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15 Trigger
15.1 Overview
The oscilloscope only acquires waveforms of interest (i.e. the ones that satisfy
the trigger condition) and aligns all trigger events at the trigger position to form
a stable waveform display. The trigger is one of the most important features of
any oscilloscope, since we can only analyze a signal that we are able to
trigger in a reliable and stable manner.
The trigger position is movable on the display. The following diagram shows the
structure of the acquisition memory. The acquisition memory is divided into pre-
trigger and post-trigger buffers and the boundary between them is the trigger
position. Before the trigger event arrives, the oscilloscope fills the pre-trigger
buffer first, and then continuously updates it in FIFO mode until the trigger event
arrives. After the trigger event, the data fills the post-trigger buffer. When the
post-trigger buffer is full, an acquisition is completed.
Below are the definition of the states in the process of filling the acquisition
memory:
Arm: The pre-trigger buffer is not full, and the oscilloscope does not respond to
any trigger events.
Pre-trigger Buffer
Post-trigger Buffer
Trigger Event
Acquisition Memory
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Ready: The pre-trigger buffer is full, and the oscilloscope is waiting for the
trigger event.
Trig’d: A trigger event is detected and the oscilloscope starts to fill the post-
trigger buffer.
Trigger settings should be based on the features of the input signal. For
example, a sine wave with repeatable period can be triggered on the rising edge;
for capturing hazards in a combinational logic circuit, the pulse trigger can be
set. You need to have some knowledge of the signal-under-test to quickly
capture the desired waveform.
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15.2 Trigger Setup
Touch the trigger descriptor box to display the quick menu of trigger settings.
The trigger setup dialog box is displayed on the right side of the screen.
A. Touch the level region and rotate the
Level knob on the front panel to
adjust trigger level; touch the region
again and the virtual keypad will be
available
B. ▲ to increase and ▼ to decrease the
trigger level
C. Set trigger level to the vertical center
of the waveform automatically
D. Set the trigger mode to "Auto", which
is equivalent to pressing the Auto
button on the front panel
E. Set the trigger mode to "Single", which
is equivalent to pressing the Single
button on the front panel
F. Set the trigger mode to "Normal",
which is equivalent to pressing the
Normal button on the front panel
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A. Select trigger type
B. Select the trigger source
C. Select the trigger slope (When the
trigger type is "Edge", "Slope" and
other specific types)
D. Set holdoff (None/Time/Events)
E. Set trigger coupling mode (DC/AC/LF
Reject/HF Reject)
F. Enable/disable Noise Rejection.
When Noise Reject is on, the trigger
hysteresis is increased, so the noise
immunity of the trigger circuit is better.
As a compromise, the trigger
sensitivity degrades
G. Set the Zone trigger
Trigger Related Label
Trigger level Indicator
Horizontal 0 position
Indicator
Horizontal 0 position(out of
screen)Indicator
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15.3 Trigger Level
Both analog and digital triggers must have a correct trigger level value. The
oscilloscope judges whether a waveform satisfies the trigger condition when it
crosses the trigger level. If it does, the crossing time is the trigger position. In
the following figure, the trigger condition is set as rising edge. When the signal
with positive slope crosses the trigger level, the trigger condition is satisfied and
the time point the signal crosses the level is the trigger position.
In some special trigger, the system will automatically set the trigger level, such
as using AC Line as the trigger source.
15.4 Trigger Mode
The trigger mode determines how the oscilloscope acquires waveforms.
Auto：An internal timer triggers the sweep after a preset timeout period if no
trigger has been found, so that the oscilloscope continuously updates the
display whether a trigger happens or not. Auto mode is suitable for unknown
signals or DC signals.
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Note: In Auto mode, if the signal satisfies the trigger conditions but cannot
trigger the oscilloscope stably, it may be that interval between two trigger
events exceeds the timeout period. Try Normal mode in this case.
Normal：Triggers and acquisitions only occur when the trigger conditions are
met. Otherwise, the oscilloscope holds the last waveform on the display and
waits for the next trigger. Normal mode is suitable for acquiring:
Only events specified by the trigger settings
Rare events
Single ： Captures and displays a single frame which satisfies the trigger
conditions, and then stops. The following trigger events are ignored until the
Single acquisition is restarted. Single mode is suitable for:
One-shot events or periodic signals, such as power-on\off waveforms
on a power rail
Rare events
15.5 Trigger Type
15.5.1 Overview
The trigger modes of the SDS5000X are digital designs. Compared with analog
trigger circuits, digital triggers can not only greatly optimize trigger precision,
trigger jitter, but also support multiple trigger types and complex trigger
conditions.
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Edge-- Trigger on rising edge, falling edge or both
Slope-- Trigger when an edge crosses two thresholds which lie inside or
outside a selected time range
Pulse--Trigger at the end of a pulse when the pulse width lies inside or
outside a selected time range
Video--TV trigger on falling edge
Window--Trigger when the signal leaves the widow region.
Interval--Trigger on second edge when the time between the edges is
inside or outside a selected time range
Dropout--Trigger when signal disappears for longer than Dropout value.
Runt--Trigger when a pulse crosses the 1st threshold but not the 2nd before
re-crossing the 1
st
threshold again
Pattern-- Trigger when pattern condition transitions from false to true. All
inputs set to DC coupling
Serial--Trigger on specified condition in a serial bus. See the chapter "Serial
Trigger and Decode" for details.
Qualified -- Trigger with edge trigger setting only after the qualifying
condition is satisfied
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15.5.2 Edge Trigger
Edge trigger distinguishes the trigger points by seeking the specified edge
(rising, falling, rising & falling) and trigger level. Trigger source and slope can
be set in the trigger dialog box.
Touch the Source area to select trigger source, and touch the Slope area to
select rising, falling or alter.
Rising --Only trigger on the rising edge
Falling -- Only trigger on the falling edge
Alter -- Trigger on both rising edge and falling edge
Holdoff, coupling and noise reject can be set in edge trigger, see the sections "
Holdoff", " Trigger Coupling" and " Noise Reject" for details.
Note: Press the Auto Setup button, and the oscilloscope will set the trigger type
to Edge.
15.5.3 Slope Trigger
The slope trigger looks for a rising or falling transition from one level to another
level in the specified time range. For example, positive slope time is defined as
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the time difference between the two crossing points of trigger level line A and B
with the positive edge as shown in the figure below.
Touch the Source area to select trigger source, and touch the Slope area to
select rising or falling.
Rising -- Only trigger on the positive slope
Falling -- Only trigger on the negative slope
Adjust Upper/Lower Level
The slope trigger requires upper and
lower trigger levels. When the trigger
type is slope trigger, touch the trigger
descriptor box, the pop-up quick menu
will show two levels.
The upper/lower level can be set in the
following two ways:
1. Touch the Level Upper area in the quick menu to select the upper level,
and then set the level value by the virtual keypad or the Level knob on
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the front panel. To set the lower level is the similar.
2. Use the Level knob on the front panel directly to set the level value.
Press the knob to switch between upper and lower level, and rotate it
to set the value.
The lower level should always be less than or equal to the upper level. In the
trigger descriptor box, the lower level is displayed.
Set Limit Range
Touch the Limit Range area in the trigger dialog box to select the time condition
and set the corresponding time in the Upper Value/Lower Value area.
Less than a time value
（≤）-- Trigger when the positive or negative slope time
of the input signal is lower than the specified time value.
Great than a time value
（≥）-- Trigger when the positive or negative slope time
of the input signal is greater than the specified time value.
Within a range of time value
（[--,--]）-- Trigger when the positive or negative
slope time of the input signal is greater than the specified lower limit of time and
lower than the specified upper limit of time value.
Outside a range of time value
（--][--）-- Trigger when the positive or negative
slope time of the input signal is greater than the specified upper limit of time
and lower than the specified lower limit of time value.
Holdoff, coupling and noise reject can be set in slope trigger, see the sections
" Holdoff", " Trigger Coupling" and " Noise Reject" for details.
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15.5.4 Pulse Trigger
Trigger on a positive or negative pulse with a specified width. Trigger source,
polarity (positive, negative), limit range and time value can be set in the trigger
dialog box.
Less than a time value
（≤）-- Trigger when the positive or negative pulse time
of the input signal is lower than the specified time value. Below is an example
of trigger condition is set to positive pulse width < 100ns
Great than a time value（≥）-- Trigger when the positive or negative pulse time
of the input signal is greater than the specified time value. Below is an example
of trigger condition is set to positive pulse width > 100ns
Within a range of time value（[--,--]）-- Trigger when the positive or negative
pulse time of the input signal is greater than the specified lower limit of time and
lower than the specified upper limit of the time value. Below is an example of
trigger condition is set to 100ns＜positive pulse width＜300ns.
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Outside a range of time value
（--][--）-- trigger when the positive or negative
pulse time of the input signal is greater than the specified upper limit of time
and lower than the specified lower limit of the time value.
Holdoff, coupling and noise reject can be set in pulse trigger, see the sections
" Holdoff", " Trigger Coupling" and " Noise Reject" for details.
15.5.5 Video Trigger
Video trigger can be used to capture the complicated waveforms of most
standard analog video signals. The trigger circuitry detects the vertical and
horizontal interval of the waveform and produces trigger based on the video
trigger settings you have selected. The SDS5000Xsupports standard video
signal for NTSC (National Television Standards Committee), PAL (Phase
Alternating Line), HDTV (High Definition Television) and a custom video signal
trigger.
Source, standard and synchronization mode can be set in video trigger dialog
box. When the synchronization mode is "Select", line and field can be specified.
Touch the Standard and select the video standard. The SDS5000X supports
the following video standards:
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TV Standard
Scan Type
Sync Pulse
NTSC
Interlaced
Bi-level
PAL
Interlaced
Bi-level
HDTV 720P/50
Progressive
Tri-level
HDTV 720P/60
Progressive
Tri-level
HDTV 1080P/50
Progressive
Tri-level
HDTV 1080P/60
Progressive
Tri-level
HDTV 1080i/50
Interlaced
Tri-level
HDTV 1080i/60
Interlaced
Tri-level
Custom
The table below shows the parameters of the custom video trigger:
Frame Rate
25Hz, 30 Hz, 50 Hz,60
Hz
Of Lines
300 ~ 2000
Of Fields
1,2,4,8
Interlace
1:1, 2:1,4:1,8:1
Trigger Position
Line
Field
(line value)/1(1:1)
1
(line value)/2 (2:1)
1,2, 3, 4,5,6,7,8
(line value)/4(4:1)
1,2, 3, 4,5,6,7,8
(line value)/8(8:1)
1,2, 3, 4,5,6,7,8
Line value: The number of lines set in the Of Lines (300 ~ 2000).
In the custom video trigger type, the corresponding "Of Fields" varies with the
selection of the “Interlace” ratio. Therefore, the number of fields selected and
the number of lines corresponding to each field can also be varied. If the "Of
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Lines" is set to 800, the correct relationship between them is as follows:
Of Lines
Interlace
Of Fields
Trigger Line
Trigger Field
800
1:1
1
800
1
800
2:1
1/2/4/8
400
1/1~2/1~4/1~8
800
4:1
1/2/4/8
200
1/1~2/1~4/1~8
800
8:1
1/2/4/8
100
1/1~2/1~4/1~8
Set the video trigger for video signal
Touch Sync for trigger mode selection, video trigger mode has "Any" and
"Select" options. In "Any" mode, the video signal can be triggered on any line
that meets the conditions. In "Select" mode, the signal can be triggered by a
specified field and a specified line.
For progressive scanning signals (e.g. 720p/50, 720p/60, 1080p/50, 1080p/60),
only the specified line can be selected to trigger when the synchronization mode
is “Select”.
For interlaced scanning signals (such as NTSC, PAL, 1080i/50, 1080i/60,
Custom), when the synchronization mode is "Select", the specified line and the
specified field can be selected to trigger.
The following table shows the corresponding relations between line and field
for all video standards (except for Custom)
Standard
Field 1
Field 2
NTSC
1 to263
1 to262
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PAL
1 to313
1 to312
HDTV 720P/50、720P/60
1 to750
HDTV 1080P/50、1080P/60
1 to1125
HDTV 1080i/50、1080i/60
1 to563
1 to562
To gain familiarization with the video trigger, try these two examples:
Trigger on specific line of video(NTSC standard)
Use “Custom” to trigger video signals
Trigger on a Specific Line of Video
Video trigger requires that any analog channel can be used as the trigger
source with a synchronization amplitude greater than 1/2 grid. The example
below sets to trigger on Field 1, Line 22 using the NTSC video standard.
1. Press the Setup button on the front panel to open the trigger menu.
2. In the trigger menu, touch Type, select "Video".
3. Touch the Source and select CH1 as the trigger source.
4. Touch the Standard and select the "NTSC".
5. Touch the Sync and select the "Select" to make the Field and Line
optional, then select "1" in the "Field", and set the "Line" to "22" by
using the universal knob or the virtual keypad.
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Trigger on a Specific Line of Video (NTSC)
Use "Custom" to Trigger Video Signals
Custom video trigger supports video signals with frame rates of 25, 30, 50 and
60 Hz respectively, and the specified row is within the range of 300 to 2000.The
following describes how to trigger a "Custom" video signal.
1. Press the Setup button on the front panel to open the trigger menu.
2. In the trigger menu, touch the Type, select the "Video".
3. Touch the Source and select CH1 as the trigger source.
4. Touch the Standard and select the "Custom".
5. Touch the Custom Setting to open the custom setting menu, touch the
Interlace to select the required interlace ratio (assuming that the
interlace ratio is 8:1). Then set the frame rate, select the number of lines
and the number of fields.
6. Touch the Sync to select the synchronization mode for the input signal:
a) Select the "Any" mode, and the signal can be triggered on any line
that meets the trigger condition.
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b) Select the "Select" mode, then set the specified line and the
specified field to trigger the signal. Assuming that the "Field" is set
to 8, you can select any field from 1 to 8, and each field can choose
any line from 1 to 100.
15.5.6 Window Trigger
Window trigger is similar to edge trigger, except that it provides an upper and a
lower trigger level. The instrument triggers when the input signal passes
through the upper level or the lower level.
There are two kinds of window types: Absolute and Relative. They have
different trigger level adjustment methods. Under the Absolute window type, the
lower and the upper trigger levels can be adjusted separately. Relative window
provides adjustment for the Center value to set the window center and athe
Delta value to set the window range. In this mode, the lower and the upper
trigger levels always move together.
If the lower and the upper trigger levels are both within the waveform
amplitude range, the oscilloscope will trigger on both rising and falling
edges.
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If the upper trigger level is within the waveform amplitude range while
the lower trigger level is out of the waveform amplitude range, the
oscilloscope will trigger on the rising edge only.
If the lower trigger level is within the waveform amplitude range while
the upper trigger level is out of the waveform amplitude range, the
oscilloscope will trigger on the falling edge only.
To set window trigger via the Absolute window type
Refer to "Adjust Upper/Lower Level" in the section " Slope Trigger".
To set window trigger via the Relative window type
When the window trigger type is set to
"Relative", touch the trigger descriptor
box. The pop-up menu will show two
user defined parameters: “Level +/-
Delta" and "Level Center".
The above two parameters can be set
in the following two ways:
1. Select the parameter in the Level +/-Delta area of the quick menu, then
set the parameter value by the virtual keypad, or the Level knob on the
front panel. To set the center level is the similar.
2. Directly use the Level knob on the front panel. Press the knob to switch
between “Level +/-Delta" and "Center Level", and rotate it to set values.
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Note: "Level +/-Delta” represents half of the actual window area. For example,
when the value is 200mV, it actually represents a range of ±200 mV, which is a
400mV window.
Holdoff, coupling and noise reject can be set in window trigger, see the sections
" Holdoff", " Trigger Coupling" and " Noise Reject" for details.
15.5.7 Interval Trigger
Trigger when the time difference between the neighboring rising or falling edges
meets the time limit condition.
When the trigger condition is set as an interval between two neighboring rising
edges and it is less than the set time value, the trigger diagram is as follows:
Trigger source, slope (rising, falling), limit range and time value can be set in
the trigger dialog box. Holdoff, coupling and noise reject can be set in interval
trigger, see the sections " Holdoff", " Trigger Coupling" and " Noise Reject" for
details.
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15.5.8 Dropout Trigger
Dropout trigger includes two types: Edge and state.
Edge
Trigger when the time interval (△T) from when the rising edge (or falling edge)
of the input signal passes through the trigger level to when the neighboring
rising edge (or falling edge) passes through the trigger level is greater than the
set time, as shown in the figure below:
State
Trigger when the time interval (△T) from when the rising edge (or falling edge)
of the input signal passes through the trigger level to when the neighboring
falling edge (or rising edge) passes through the trigger level is greater than the
set time, as shown in the figure below:
Trigger source, slope (rising, falling), dropout type and time value can be set in
the trigger dialog box. Holdoff, coupling and noise reject can be set in dropout
trigger, see the sections " Holdoff", " Trigger Coupling" and " Noise Reject" for
details.
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15.5.9 Runt Trigger
Runt trigger looks for pulses that cross one threshold but not another as shown
in the figure below:
A positive runt pulse across through the low level but not the high level.
A negative runt pulse across through the high level but not the low level.
Holdoff, coupling and noise reject can be set in dropout trigger, see the sections
" Holdoff", " Trigger Coupling" and " Noise Reject" for details.
15.5.10 Pattern Trigger
The Pattern trigger identifies a trigger condition by looking for a specified pattern.
The SDS5000X provides 4 patterns: logical AND, OR, NAND and NOR
combination of the channels. Each channel can set to "Low", "High" or "Don't
Care". If all channels are set to "Don’t Care", the oscilloscope will not trigger.
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Logic (AND, OR, NAND, NOR), source, limit range and time value can be set
in the trigger dialog box. When the logic is "OR" or "NAND", the setting of time
limit is invalid.
Source Setting
Touch the Source Setting area to recall the following dialog box and set up for
each channel separately. Each channel can be set to "Low", "High" or "Don't
Care". The threshold can be determined by setting the Level Value.
When digital channels are turned on, the logic state of the digital channel can
also be set in the source setting dialog box.
Logical setting of analog channel
Logical setting of digital channel
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Limit Range
When the logic is "AND" or "NOR", the time limit condition is available. This
setting is particularly useful to filter the hazard signals of combinational logic.
When the logic is "OR" or "NAND", the time limit setting is not supported.
Holdoff can be set in pattern trigger, see the sections " Holdoff" for details.
15.5.11 Qualified Trigger
Qualified trigger is an edge trigger after a user defined qualified condition is
satisfied. So a qualified trigger has two sources; one is the source of the edge
trigger, the other is the qualified source.
The qualified types include “State”, “State with Delay”, “Edge” and “Edge with
Delay”. When the type is “State”, the oscilloscope triggers on the first edge
when the qualified source is in the specified state (High or Low). When the
type is “State with Delay”, a time limit condition is also available.
Qualified
Source
Edge
Trigger
Source
Trigger
Position
Qualified State = High
Edge = Rising
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When the type is “Edge”, the oscilloscope triggers at the first edge after the
specified edge (Rising or Falling) of the qualified source; when the type is “Edge
with Delay”, time limit condition is available.
Qualified
Source
Edge
Trigger
Source
Trigger
Position
Qualified Edge = Rising
Edge = Rising
Touch the Qualified Setting region to set the qualified source and threshold;
Touch the Edge Setting region to set the edge trigger source, threshold and
slope.
15.5.12 Nth Edge Trigger
Nth edge trigger is similar to an edge trigger with conditions. The trigger is
satisfied after meeting the user-defined idle time and edge number conditions.
As shown in the figure below, when the idle time between the pulse trains is
greater than the specified idle time, it is triggered on the third falling edge of the
pulse train.
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Trigger source, slope (rising, falling), idle time and edge number can be set in
the trigger dialog box. Holdoff, coupling and noise reject can be set in Nth edge
trigger, see the sections " Holdoff", " Trigger Coupling" and " Noise Reject" for
details.
15.5.13 Delay Trigger
Delay trigger is true when the edge of source B occurs after meeting the set
conditions of source A and a user-defined delay time. The setting of source A
is similar to that of the pattern trigger and can be used for logical "and"
combination of multiple channels.
Touch the SourceB Setting region to set the edge trigger source, threshold and
slope.Touch the Limit Range and Upper/Lower Value region to set the delay
time condition.
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15.5.14 Setup/Hold Trigger
Clock source and data source need to be set in setup/hold trigger setting. The
set-up time starts when the data signal crosses the trigger level and ends when
the specified clock edge arrives. The holding time starts when the specified
clock edge arrives and ends when the data signal crosses the trigger level again
(as shown in the figure below). When the set-up time or hold time meets the
preset time limit conditions, the oscilloscope will trigger.
Touch the CLK Setting region to set the clock source, threshold and slope;
Touch the Data Setting region to set the data source, threshold and state.
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15.6 Trigger Source
The trigger sources supported by each trigger type are different. See the table
below for details:
Trigger Type
C1~C4
EXT, EXT/5
AC Line
D0~D15
Edge
√
√
√
√
Slope
√
×
×
×
Pulse
√
×
×
√
Video
√
×
×
×
Window
√
×
×
×
Interval
√
×
×
√
Dropout
√
×
×
√
Runt
√
×
×
×
Pattern
√
×
×
√
Serial
√
×
×
√
Qualified
√
×
×
√
Nth Edge
√
×
×
√
Delay
√
×
×
√
Setup/Hold
√
×
×
√
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15.7 Holdoff
Holdoff is an additional condition for triggers and can be used to stabilize the
triggering of complex waveforms (such as a pulse series). It can be set to a time
or number of events.
Holdoff by Time
Holdoff time is the amount of time that the oscilloscope waits before re-arming
the trigger circuitry. The oscilloscope will not trigger until the holdoff time expires.
Use the holdoff to trigger on repetitive waveforms that have multiple edges (or
other events) between waveform repetitions. You can also use holdoff to trigger
on the first edge of a burst when you know the minimum time between bursts.
For example, to achieve a stable trigger on the repetitive pulses shown in the
figure below, set the holdoff time (t) to 200ns<t<600ns.
Holdoff by Event
Holdoff event is the amount of events that the oscilloscope counts before re-
arming the trigger circuitry. The oscilloscope will not trigger until the counter
tracking holdoff events reaches the set value. In the following figure, the holdoff
event is set to 3, and the signal is triggered on the fourth edge.
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Parameter Start Holdoff On defines the initial position of holdoff.
Acq Start-- The initial position of holdoff is the first time point satisfying the
trigger condition. In the example above, each holdoff starts from the first rising
edge of the pulse sequence.
Last Trig Time--The initial position of holdoff is the time of the last trigger. In
the example above, the last trigger position is at the second rising edge of the
pulse sequence and the second holdoff starts from that point.
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15.8 Trigger Coupling
The coupling setting of trigger is only valid when the trigger source is C1~C4,
EXT or EXT/5.
DC: All of the signal’s frequency components are coupled to the trigger
circuit for high frequency bursts or where the use of AC coupling would shift
the effective trigger level.
AC: The signal is capacitively coupled. DC levels are rejected. See the
datasheet for details of the cut-off frequency.
HFR: Signals are DC coupled to the trigger circuit and a low-pass filter
network attenuates high frequencies (used for triggering on low
frequencies). See the datasheet for details of the cut-off frequency.
LFR: The signal is coupled through a capacitive high-pass filter network,
DC is rejected and low frequencies are attenuated. For stable triggering on
medium to high frequency signals. See the datasheet for details of the cut-
off frequency.
15.9 Noise Reject
Noise Reject adds additional hysteresis to the trigger circuitry. By increasing
the trigger hysteresis, the noise immunity becomes better but the trigger
sensitivity degrades.
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Noise Reject = Off
Noise Reject = On
15.10 Zone Trigger
The SDS5000X includes a zone trigger to help isolate elusive glitches. There
are two user-defined areas: Zone1 and Zone2. Users can set the property of
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each zone as “intersect” or “not intersect” as an additional condition to further
isolate the interested event quickly. “Intersect” only includes events that occur
within the zone. “Not-intersect” events include all events that occur outside of
the zone.
Touch Trigger>Zone to recall zone dialog box:
A. Turn on or off zone trigger
B. Select the source: C1~C4
C. Turn on or off zone1
D. Set the property of zone1: Intersect or
Not intersect
E. Set the coordinate of zone1. The range is
within the waveform area
F. Turn on or off zone2
G. Set the property of zone2: Intersect or
Not intersect
H. Set the coordinate of zone2. The range is
within the waveform area
The zones can be created and moved by gestures or by setting Zone> Zone
Setting in the dialog box. The color of the zone’s outline is consistent with the
color of the specified source (Channel 1 = Yellow, etc...).
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Gesture
When the zone trigger is turned on, touch-and-hold on any position within the
waveform area and draw a rectangular box, as shown in the following figure:
When the finger moves out of the screen, a menu pops up for selecting the
zone and setting the zone properties:
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Once a zone is created, it can be moved by dragging. Just touch and hold the
zone box and use a dragging gesture.
Select C1 as source, turn on zone1, and
set the property as "Intersect"
Select C1 as source, turn on zone1, and
set the property as "Not Intersect"
Dialog Box
Touch Zone> Zone Setting to recall the dialog box.
A. Set left border of the zone
B. Set right border of the zone
C. Set top border of the zone
D. Set bottom border of the zone
E. Return to previous menu
Touch the regions above to set the value by the
universal knob or the virtual keypad.
Note: If zone1 and zone2 are both turned on, the result of the "AND" operation
in two zones becomes the qualified condition of triggering.
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Below is an example in which we want to capture a waveform of bus contention
using the SDS5000X:
With a simple edge trigger, it is unlikely to trigger consistently on this anomaly.
Thanks to the high waveform update rate of the SDS5000X, we can confirm
there is bus contention happening by enabling the persistence display, as
shown in the figure below:
In this case zone trigger is a quick and simple way to capture the interested
waveform. Enable the zone trigger, and draw a box to intersect with the bus
contention part, as shown in the figure below:
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Now, we can accurately capture the exact bus contention waveform:
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16 Serial Trigger and Decode
16.1 Overview
The SDS5000X supports serial bus trigger and decode on the following serial
bus protocols: I2C, SPI, UART, CAN, and LIN.
Press the Setup button on the front panel or touch the trigger descriptor box,
and then select the Type as Serial in the trigger dialog box to set serial trigger:
A. Select the type as Serial
B. Select the serial bus protocol
C. Set the signal, including the mapping
relation between channels and bus
signals, and the thresholds
D. Trigger setting
Press the Decode button or touch the Analysis>Decode to turn on the serial
decode dialog box:
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A. Set the list of decode result
B. Select the bus to set, Bus1 and Bus2
C. Turn on/off the bus
D. Set the bus display
E. Select the serial bus protocol
F. Touch to set the signal, including the
mapping relation between channels and
bus signals, and the thresholds. This is
similar with the signal setting of serial
trigger.
G. Configure the bus protocol
H. Synchronize the settings between serial
trigger and decode
Below are detailed descriptions of trigger and decode steps for each protocol.
I2C Trigger and Serial Decode
SPI Trigger and Serial Decode
UART Trigger and Serial Decode
CAN Trigger and Serial Decode
LIN Trigger and Serial Decode
FlexRay Trigger and Serial Decode
CAN FD Trigger and Serial Decode
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16.2 I2C Trigger and Serial Decode
This section covers triggering and decoding I2C signals. Please read the
following for more details: " I2C Signal Settings", " I2C Trigger" and " I2C Serial
Decode".
16.2.1 I2C Signal Settings
Connect the serial data signal (SDA) and serial clock signal (SCL) to the
oscilloscope, set the mapping relation between channels and signals and then
set the threshold level of each signal. The signal settings of decode and trigger
are independent. If you want to synchronize the settings between decode and
trigger, please perform Copy Setting in the decode dialog box.
A. Set the source of SCL. In the example above, SCL is connected to C4.
B. Set the threshold level of SCL. It is 1.7V for the LVTTL signal in this
example.
C. Set the source of SDA. In the example above, SDA is connected to C1.
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D. Set the threshold level of the SDA channel.
E. Return to previous menu.
F. Threshold level line. It only appears when adjusting the threshold level.
Copy Setting
Touch the Copy Setting in the decode dialog
box to synchronize the settings between
trigger and decode.
A. Copy the decode settings to trigger
B. Copy the trigger settings to decode
C. Return to previous menu.
Note: The synchronization is not automatic. If the settings at one place change,
a copy operation is necessary to re-synchronize.
16.2.2 I2C Trigger
When the protocol is set to I2C, the following trigger conditions can be set: Start,
Stop, Restart, No Ack, EEPROM, or an R/W frame with specific device address
and data value.
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Touch Trigger
Setting in the I2C
trigger dialog box to
select the trigger
condition:
Start — The oscilloscope will be triggered when the SDA line transitions from
high to low while the SCL is high.
Stop — The oscilloscope will be triggered when the SDA line transitions from
low to high while the SCL is high.
Restart — The oscilloscope will be triggered when another “Start” occurs
before a “Stop".
No Ack — The oscilloscope will be triggered when the SDA line is high during
any SCL’s ACK bit.
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EEPROM — The trigger searches for EEPROM
control byte value 1010xxx on the SDA bus. And
there is a Read bit and an ACK bit behind
EEPROM. Set the data value and compare type
according to Data1 and Limit Range. If EEPROM’s
data is greater than (less than, equal to) Data1, the
oscilloscope will be triggered at the edge of ACK
bit behind Data byte. It’s unnecessary that the
Data byte musts follow the EEPROM.
7 Address & Data — the oscilloscope will be triggered on read or write frame
in 7-bit address mode.
Frame (Start: 7-bit address: R/W: Ack) — Data1 and Data2 are set to “0xXX”.
If all bits match, then trigger on the Ack bit followed by the R/W bit.
Frame (Start: 7-bit address: R/W: Ack: Data: Ack: Data2)—If all bits match, then
trigger on the Ack bit followed by the Data2.
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10 Address & Data — If all bits match, then trigger on the Ack bit followed by
the Data.
Frame (Start: Address 1st byte: R/W: Ack: Address 2nd byte: Ack: Data)
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If you set the trigger condition to 7 address & data or
10 address & data:
Address can be selected in the hexadecimal
range of 0x00 to 0x7F (7-bit) or 0x3FF (10-bit). If
the address is selected as "0xXX (7-bit address)"
or "0xXXX (10-bit address)", the address is
ignored. It will always trigger on the Ack bit
followed by the address.
Data1 and Data2 can be selected in the
hexadecimal range of 0x00 to 0xFF. If the data is
selected as "0xXX", the data is ignored. It will
always trigger on the Ack bit followed by the
address.
R/W Bit can be specified as Write, Read or Don't
Care.
Data Length — The data length range is 1 to 12 bytes. When the SDA data
length is equal to the value of Date Length and address length is the same as
set value, the oscilloscope will be triggered.
Touch the Address Length to select "7-bits" or "10-bits" to match the
address of the input signal.
Touch the Data Length and turn the universal knob or by virtual keypad to
set the data length to match the data length of input signal.
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16.2.3 I2C Serial Decode
Layout of the touch screen display when I2C decode enabled is as follows:
A. Waveform display area, shows the original waveforms of the bus
signals
B. Bus display, shows the decode result of the bus. At most two buses
can be decoded at the same time. Touch Bus Operation of the dialog
box to turn on or off selected bus, and touch Bus Display to select the
display type of decode result (Binary, Decimal, Hex or ASCII) and set
the bus location on the display
C. List display area. Decode result of multiple frames can be displayed in
the list, in which each row shows the time label and decode result of a
frame. Touch Result List to set the parameters of list.
D. Decode dialog box
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Bus
The address value is displayed at the beginning of a frame. The write
address is displayed in green, and read address in yellow.
W/R bit is represented by (W) and (R), followed by the address value.
The after a data or address byte represents ACK
(acknowledgement), and indicates no acknowledgement.
The data value is displayed in white.
A red point at the end of a segment indicates there is not enough space
on the display to show the complete content of a frame, and some
content is hidden, such as .
List
TIME — The horizontal offset of the current data frame head relative
to the trigger position.
Address — Address value. For example, "0x2AB" means that address
= 2AB with acknowledgement.
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R/W — Read address or write address.
DATA — Data bytes.
Configuration
There is only one item Include R/W Bit in the configuration of the I2C decode.
When it is disabled, the address is represented separately from the R/W bit,
and when it is enabled, the R/W bit is represented together with the address.
For example, the address 0x4E: Write: Ack, is displayed as "0x4E (W)" when
the R/W bit is not included, and is displayed as "0x9C"when the R/W bit is
included.
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16.3 SPI Trigger and Serial Decode
This section covers triggering and decoding SPI signals. Please read the
following for more details: " SPI Signal Settings", " SPI Trigger" and " SPI Serial
Decode".
16.3.1 SPI Signal Settings
Connect the CLK, MOSI, MISO and CS signals to the oscilloscope and set the
mapping relation between channels and signals. Then set the threshold level of
each signal. The process of specifying the source and threshold is similar to "
I2C Signal Settings".
CLK
In addition to specifying the source and the threshold level, for CLK signal it is
also necessary to specify the Edge Select.
Rising–Data latched on rising edge of the clock.
Falling–Data latched on falling edge of the clock.
The user can select the edge according to the actual phase relationship
between the clock and data of the SPI bus. Referring to the following figure,
when the falling edge of the clock is aligned with the data, the rising edge is
selected to latch the data. When the rising edge of the clock is aligned with the
data, the falling edge is selected to latch the data.
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CS
The CS signal should be set to correct CS Type, including CS, ~CS and Clock
Timeout.
CS – Active high. The CS signal needs a complete rising edge in the screen
to be regarded as active.
~CS – Active low. The ~CS signal needs a complete falling edge in the
screen to be regarded as active.
Clock Timeout – It is not necessary to specify the source and threshold level
for the CS signal. The only parameter for the CS signal is the timeout Limit,
which is the minimum time that the clock signal must be held idle for before
the oscilloscope acquires valid data. This setting is suitable for case where
CS signal is not connected, or the number of oscilloscope channels is
insufficient (such as two-channel oscilloscopes).
The method of copying settings is the same as I2C signal settings. See " I2C
Signal Settings" for details.
Example:
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Connect the data, CLK and ~CS signals of a SPI bus respectively to C1, C2
and C3. Data width = 8-bit, Bit order = MSB, CS polarity = active low, and 12
data bytes are transmitted in one frame.
In the SPI trigger signal menu, set the source and threshold of CLK, MISO and
CS signals, then copy the trigger settings to decoding. Adjust the timebase, so
that there is a falling edge on CS signal shown in the screen:
When the CS type is set to Clock Timeout, turn on Cursor, measure the clock
idle time between frames as 150 us, and measure the interval between clock
pulses as 0.14 us, then set the timeout to a value between 0.14 and 150 us. In
this example it is set to 500 ns:
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If the data width is set to be greater than 8 bits (such as 16 bits), measure the
clock idle time between 8-bit data packets as 0.57 us, and then set the timeout
time to a value between 0.57 and 150 us. In this example, it is set to 1 us:
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16.3.2 SPI Trigger
The trigger condition for SPI trigger is mainly about
data. Touch Trigger Setting in the dialog box to set data:
A. Trigger Type: MISO or MOSI
B. Data Length: 4~96 bits
C. Set to trigger on the specified data value.
Touch Data Value twice, and enter the value by
the virtual keypad, or touch All Same to set all
bits to 0, 1 or ignored ("X")
D. Set the bit order to MSB or LSB
E. Return to previous menu
16.3.3 SPI Serial Decode
The configuration of SPI decoding is similar to I2C.
In the Bus Config menu, Data Length (4-32 bit) and Bit Order (LSB or MSB) are
configurable.
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16.4 UART Trigger and Serial Decode
This section covers triggering and decoding UART signals. Please read the
following for more details: " UART Signal Settings", " UART Trigger" and "UART
Serial Decode".
16.4.1 UART Signal Settings
Connect the RX and TX signals to the oscilloscope, set the mapping relation
between channels and signals, and then set the threshold level of each signal.
The process of specifying the source and threshold is similar to " I2C Signal
Settings".
In the BusConfig menu of trigger or decode, the following parameters are
available:
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A. Touch to select the baud rate: 600,1200, 2400,
4800, 9600, 19200, 38400, 57600, 115200 b/s
or Custom
B. Data Length: 5~8 bit
C. Parity Check: None, Odd, Even, Mark or
Space. If the data is 9 bits, the 9
th
bit is treated
as Mark parity or Space parity
D. Select the number of stop bits
E. Set the idle level
F. Set the bit order
G. Return to previous menu
The method of copying settings is the same as I2C signal settings. See " I2C
Signal Settings" for details.
16.4.2 UART Trigger
Touch Trigger Setting in the dialog box to set the trigger condition:
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A. Source Type: RX or TX
B. Trigger Condition: Start, Stop, Data or Error
C. When the "trigger condition" is Data, set the
compare type to: =, ＞, ＜
D. When the "trigger condition" is Data, set the
data value
E. Return to previous menu
Trigger Condition
Start — The oscilloscope triggers when the start bit appears on the RX/TX.
Stop — The oscilloscope triggers when the stop bits appear on the RX/TX.
It always triggers on the first stop bit.
Data — Trigger on data
Touch Compare Type to select "=", ">" or "<".
Touch Value to set the data value by the universal knob or virtual
keypad. The range of data value is 0x00 to 0xff.
Error — The oscilloscope performs parity check on the data according to
the parity type set by the user, and triggers if the check value is incorrect.
16.4.3 UART Serial Decode
The configuration of UART decoding is similar to that of I2C decoding.
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16.5 CAN Trigger and Serial Decode
This section covers triggering and decoding CAN signals. Please read the
following for more details: " CAN Signal Settings", " CAN Trigger" and " CAN
Serial Decode".
16.5.1 CAN Signal Settings
Connect the CAN_H and CAN_L signals to the oscilloscope, set the mapping
relation between channels and signals, and then set the threshold level of each
signal. The process of specifying the source and threshold is similar to " I2C
Signal Settings".
In BusConfig menu of trigger and decode, baud rate can be set to: 5 kb/s, 10
kb/s, 20 kb/s, 50 kb/s, 100 kb/s, 125 kb/s, 250 kb/s, 500 kb/s, 800 kb/s, 1 Mb/s
or Custom.
The method of copying settings is the same as I2C signal settings. See " I2C
Signal Settings" for details.
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16.5.2 CAN Trigger
Touch Trigger Setting in the
CAN trigger dialog box to
set the trigger condition:
Start —The oscilloscope triggers at the beginning of the frame.
Remote — The oscilloscope triggers on a remote frame with a specified ID.
ID, ID Bits (11-bit or 29-bit) and Curr ID Byte (1st, 2nd, 3rd, or 4th byte) can
be set. Curr ID Byte is used to specify the byte to be adjusted when using
the universal knob.
ID —The oscilloscope triggers on the data frame that matches the specified
ID. ID, ID Bits (11-bit or 29-bit), and Curr ID Byte (1st, 2nd, 3rd, or 4th byte)
can be set.
ID + Data —The oscilloscope triggers on the data frame that matches the
specified ID and data.ID, ID Bits (11-bit or 29-bit), Curr ID Byte (1st, 2nd,
3rd, or 4th byte), Data1 and Data2 can be set.
Error—The oscilloscope triggers on the error frame.
16.5.3 CAN Serial Decode
The configuration of CAN decoding is similar to that of I2C decoding.
On the bus:
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ID is displayed in green.
LEN (data length) is displayed in light yellow.
DATA are displayed in white.
CRC is displayed in blue.
The red point at the end of a segment indicates there is not enough
space on the display to show complete content of a frame and some
content is hidden.
In the list view:
Time — The horizontal offset of the current data frame head relative to
the trigger position.
Type — Type of the frame. Data frame is represented by “D” and
remote frame is represented by “R”.
ID — ID of the frame, 11-bits or 29-bits ID are automatically detected.
Length — Data length.
Data — Data values.
CRC — Cycle redundancy check.
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Ack — Acknowledge bit.
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16.6 LIN Trigger and Serial Decode
This section covers triggering and decoding LIN signals. Please read the
following for more details: “ LIN Signal Settings”, “ LIN Trigger” and “ LIN Serial
Decode”.
16.6.1 LIN Signal Settings
Connect the LIN signal to the oscilloscope, and then set the threshold level of
the signal. The process of specifying the source and threshold is similar to “ I2C
Signal Settings”.
In BusConfig menu of trigger and decode, baud rate can be set to: 600 b/s,1200
b/s, 2400 b/s, 4800 b/s, 9600 b/s, 19200 b/s or Custom.
The method of copying settings is the same as I2C signal settings. See “ I2C
Signal Settings” for details.
16.6.2 LIN Trigger
Touch Trigger Setting
in the LIN trigger dialog
box to set the trigger
conditions:
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Break —The oscilloscope triggers at the beginning of the frame.
ID —The oscilloscope triggers on the frame that matches the specified ID,
which ranges from 0x00 to 0x3f.
ID & Data—The oscilloscope triggers on the frame that matches the
specified ID and data.ID, Data1 and Data2 can be set.
Data Error —The oscilloscope will trigger when data error happens.
16.6.3 LIN Serial Decode
The configuration of LIN decoding is similar to that of I2C decoding.
On the bus:
ID is displayed in green
LEN (data length) and CHK are displayed in blue
DATA are displayed in white.
In the list view:
Time — The horizontal offset of the current data frame head relative to
the trigger position.
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ID — ID of the frame.
Data length — Data length.
ID Parity — ID parity check.
Data — Data values.
Checksum — Data checksum.
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16.7 FlexRay Trigger and Serial Decode
This section covers triggering and decoding FlexRay signals. Please read the
following for more details: " FlexRay Signal Settings", " FlexRay Trigger" and "
FlexRay Serial Decode".
16.7.1 FlexRay Signal Settings
Connect the FlexRay signal to the oscilloscope, and then set the threshold level
of the signal. The process of specifying the source and threshold is similar to "
I2C Signal Settings".
In BusConfig menu of trigger and decode, the baud rate can be set to: 2.5 Mb/s,
5.0 Mb/s, 10.0 Mb/s or Custom.
The method of copying settings is the same as I2C signal settings. See " I2C
Signal Settings" for details.
16.7.2 FlexRay Trigger
Touch Trigger Setting in the
FlexRay trigger dialog box to
set the trigger conditions：
TSS— The oscilloscope triggers on the transmission start sequence.
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Frame— The oscilloscope triggers on the frame.
Set Frame header indicators: Payload preamble indicator, null frame
indicator, sync frame indicator, startup frame indicator.
Touch ID to set the frame ID by the universal knob or virtual keypad.
The range of ID is 0x000 to 0x7ff.
Touch Compare Type to select "=", ">" or "<". When set the Compare
Type as "=", the repetition factor is also required.
Touch Cycle to set the cycle count by the universal knob or virtual
keypad. The range of data value is 0 to 63.
Symbol— The oscilloscope triggers on CAS/MTS (Conflict Avoidance
Symbol/ Media access Test Symbol) or WUS (Wake-up Symbol)
Errors— The oscilloscope will trigger when a data error happens, including
errors on FSS, BSS, FES, Header CRC, and Frame CRC.
16.7.3 FlexRay Serial Decode
The configuration of FlexRay decoding is similar to that of I2C decoding.
On the bus:
The signatures (CAS/MTS, WUP) are displayed in yellow green.
TSS transmission start sequence, displayed in yellow green. The null
frame indicator, the Sync frame indicator, and the Startup frame
indicator are displayed in the frame and displayed in pink.
The ID is displayed in the frame and is displayed in green.
PL (Valid Data Length) is displayed in frames, in words, in light
yellow.
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HCRC (Head Check Code) is displayed in the frame and displayed in
blue.
CYC (cycle) is displayed in the frame and displayed in light yellow.
D (data) is displayed in the frame and displayed in white.
FCRC (Data Check Code) is displayed in the frame and displayed in
blue.
In the list view:
Time— The horizontal offset of the current data frame head relative
to the trigger position.
FID— Frame ID, symbol occupy a single line of the list.
PL— Valid Data Length
HCRC— Head Check Code
CYC— Cycle count
Data— Data values
FCRC— Data Check Code
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16.8 CAN FD Trigger and Serial Decode
This section covers triggering and decoding CAN FD signals. Please read the
following for more details: " CAN FD Signal Settings", " CAN FD Trigger" and "
CAN FD Serial Decode".
16.8.1 CAN FD Signal Settings
Connect the CAN FD signal to the oscilloscope, and then set the threshold level
of the signal. The process of specifying the source and threshold is similar to "
I2C Signal Settings".
In BusConfig menu of trigger and decode, the nominal baud rate can be set to:
10 kb/s, 25 kb/s, 50 kb/s, 100 kb/s, 250 kb/s, 1 Mb/s or Custom. The data baud
rate can be set to: 500 kb/s, 1 Mb/s, 2 Mb/s, 5 Mb/s, 8 Mb/s, 10 Mb/s or Custom.
The method of copying settings is the same as I2C signal settings. See " I2C
Signal Settings" for details.
16.8.2 CAN FD Trigger
Touch Trigger Setting in the CAN FD trigger dialog box to set the trigger
conditions:
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A. Frame Type: Both, CAN, CAN FD
B. When the "Frame Type" is CAN FD, turn on or
off ISO
C. When the "Frame Type" is CAN FD, set the
BRS (Bit Rate Switch) to Both, Normal or FD
D. Trigger Condition: Start, Remote, ID, ID +
Data, Error
E. Return to previous menu
Trigger Condition
Start— The oscilloscope triggers at the beginning of the frame.
Remote— The oscilloscope triggers on a remote frame with a specified ID.
ID, ID Bits (11-bit or 29-bit) and Curr ID Byte (1st, 2nd, 3rd, or 4th byte) can
be set. Curr ID Byte is used to specify the byte to be adjusted when using
the universal knob.
ID— The oscilloscope triggers on the data frame that matches the specified
ID. ID, ID Bits (11-bit or 29-bit), and Curr ID Byte (1st, 2nd, 3rd, or 4th byte)
can be set.
ID + Data— The oscilloscope triggers on the data frame that matches the
specified ID and data.ID, ID Bits (11-bit or 29-bit), Curr ID Byte (1st, 2nd,
3rd, or 4th byte), Data1 and Data2 can be set.
Error— The oscilloscope triggers on the error frame.
Error Frame
Stuff Bit Error
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CRC Mismatch Error: The oscilloscope triggers when the
calculated CRC does not match the transmitted CRC.
Stuff Bit Cnt Err: Effective only when ISO is turned on, the
oscilloscope triggers when the stuff bit count is incorrect.
Stuff Bit Cnt Par. Err: Effective only when ISO is turned on, the
oscilloscope triggers when the polarity of the stuff bit count is
incorrect.
16.8.3 CAN FD Serial Decode
The configuration of CAN FD decoding is similar to that of I2C decoding.
On the bus:
ID is displayed in green.
BRS (Bit Rate Switch) is displayed in light yellow.
ESI (Error State Indicator) is displayed in blue.
L (Data Length) is displayed in light yellow.
D (Data) is displayed in white.
CRC is displayed in blue.
Ack is displayed in pink.
The red point at the end of a segment indicates there is not enough
space on the display to show complete content of a frame and some
content is hidden.
In the list view:
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Time— The horizontal offset of the current data frame head relative
to the trigger position.
Type— Type of the frame. Standard CAN frame is represented by
"Std", CAN FD frame is represented by "FD", extended frame is
represented by "Ext" and remote frame is represented by "RTR".
ID— Frame ID.
Length— Data length.
Data— Data bytes.
CRC— Cycle redundancy check.
Ack— Acknowledge bit.
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16.9 I2S Trigger and Serial Decode
This section covers triggering and decoding I2S signals. Please read the
following for more details: "I2S Signal Settings", "I2S Trigger" and " I2S Serial
Decode".
16.9.1 I2S Signal Settings
Connect the WS, BCLK, and Data signals to the oscilloscope, set the mapping
relation between channels and signals, and then set the threshold level of each
signal. The process of specifying the source and threshold is similar to " I2C
Signal Settings"
BCLK
In addition to specifying the source and the threshold level, BCLK signals also
require specification of the Edge Select.
Rising– Data latched on the rising edge of the clock.
Falling– Data latched on the falling edge of the clock.
WS
In addition to specifying the source and the threshold level, WS signals also
require specification of the Left CH.
Low–Select left channel when WS is low and right channel when WS is high.
High–Select right channel when WS is low and left channel when WS is
high.
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The method of copying settings is the same as I2C signal settings. See " I2C
Signal Settings" for details.
16.9.2 I2S Trigger
Touch Trigger Setting in the I2S trigger dialog box to set
the trigger conditions：
A. Audio Variant: Audio-I2S, Audio-LJ, Audio-RJ
B. Trigger Condition: Data, Mute, Clip, Glitch,
Rising Edge, Falling Edge
C. Channel: Set the channel to trigger, Left or
Right
D. Set the bit order to MSB or LSB
E. Start Bit: The start bit of data, range from 0 to
31
F. Data Bits: Specify the number of bits per
channel, range from 1 to 32 bits
G. When the "Trigger Condition" is Data, set the
compare type to: =, ＞, ＜
H. When the "Trigger Condition" is Data, set the
data value
I. Return to previous menu
Trigger Condition
Data— Trigger on data.
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Touch Compare Type to select "=", ">" or "<".
Touch Value to set the data value by the universal knob or virtual
keypad. The range of data value is related to the number of Data
Bits.
Mute— Trigger on the mute signal. Mute signal: Volume is less than the set
value and duration reaches the set value.
Touch MNF to set the mute threshold by the universal knob or
virtual keypad. The range of value is related to the number of
Data Bits.
Touch Duration to set the value by the universal knob or virtual
keypad. The range is 1-64 frames.
Clip— Trigger on the clip signal. Clip signal: Volume is greater than the set
value and duration reaches the set value.
Touch Clip Level to set the clip threshold by the universal knob or
virtual keypad. The range of value is related to the number of
Data Bits.
Touch Duration to set the value by the universal knob or virtual
keypad. The range is 1-64 frames.
Glitch— Trigger on glitches within the audio signal.
Touch Threshold to set the threshold by the universal knob or
virtual keypad. The range of value is related to the number of
Data Bits.
Rising Edge— Trigger on signals greater than the Threshold setting value.
Touch Threshold to set the threshold by the universal knob or
virtual keypad. The range of values is related to the number of
Data Bits.
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Falling Edge— Trigger on signals less than the Threshold setting value.
Touch Threshold to set the threshold by the universal knob or
virtual keypad. The range of value is related to the number of
Data Bits.
16.9.3 I2S Serial Decode
The configuration of I2S decoding is similar to that of I2C decoding.
In the list view:
Time— The horizontal offset of the current data frame head relative
to the trigger position.
Type— Channel type, left channel is represented by "Left CH" and
right channel is represented by "Right CH".
Data— Data bytes
Error— Error
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16.10 MIL-STD-1553B Trigger and Serial Decode
This section covers triggering and decoding MIL-Standard 1553B signals.
Please read the following for more details: " MIL-STD-1553B Signal Settings"
and " MIL-STD-1553B Serial Decode".
16.10.1 MIL-STD-1553B Signal Settings
Connect the MIL-STD-1553B signal to the oscilloscope, set the mapping
relation between channels and signals, and then set the threshold level of each
signal. The process of specifying the source and threshold is similar to " I2C
Signal Settings"
16.10.2 MIL-STD-1553B Serial Decode
The configuration of MIL-STD-1553B decoding is similar to that of I2C decoding.
On the bus:
C/S the Command/Status word is displayed in green.
RTA the RT address is displayed in the frame and displayed in light
yellow.
C/S Data is displayed in the frame and is displayed in white.
Data word is displayed in yellow and the data is displayed in the
frame and displayed in white.
Check Code is displayed in the frame and displayed in blue.
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In the decoding list view:
Time— The horizontal offset of the current data frame head relative
to the trigger position.
RTA— The RT address
Type— Type of the word
Data— Data values
Error— Error type
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16.11 SENT Trigger and Serial Decode
This section covers triggering and decoding SENT signals. Please read the
following for more details: "SENT Signal Settings", "SENT Trigger" and "SENT
Serial Decode".
16.11.1 SENT Signal Settings
Connect the SENT signal to the oscilloscope, set the mapping relation between
channels and signals, and then set the threshold level of each signal. The
process of specifying the source and threshold is similar to " I2C Signal
Settings"
In the BusConfig menu of trigger or decode, the following parameters are
available:
A. Touch to specify the nominal clock period (tick)
time
B. Set the percent tolerance to determine whether
the sync pulse is valid for decoding the data
C. Set the number of nibbles in a Fast Channel
Message
D. Set the CRC format that will be used in
calculating the correctness of the CRCs. The
New CRC selection uses the 2010 CRC format.
If “NEW” is not selected, the CRC will use the
2008 format. Enhanced Serial Message CRCs
are always calculated using the 2010 format,
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but for the Fast Channel Messages, and for
Short Serial Message CRCs, the chosen
setting is used
E. Specify whether there is a pause pulse
between Fast Channel Messages
F. Return to previous menu
16.11.2 SENT Trigger
When the protocol is set to SENT, the following trigger conditions can be set:
Start, Slow Channel, Fast Channel and Error.
Touch Trigger Setting
in the SENT trigger
dialog box to select the
trigger condition:
Start — the oscilloscope will be triggered on the start of message (after 56
synchronization ticks). You can select the type of the message: Fast Channel
Message, Slow Channel Message or any.
Fast Channel — the oscilloscope will be triggered on a Fast Channel Message
when the Status & Communication nibble and the data nibbles match the
specified values.
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State can be selected in the hexadecimal range
of 0x0 to 0xF. If the value is selected as "0xX",
the state is ignored.
Compare Type can be specified as Equal, Not
Equal, Less than, Less or Equal, Greater than,
Greater or Equal, in Range of, out of Range.
At Pos determines the start position of the trigger
data. If selected as Value, you need to set Nibble
Pos in the decimal range of 0 to 5. If selected as
Don’t care, the oscilloscope will be triggered at
the first data which matches the specified
condition.
Nibble Len can be selected in the decimal range
of 1 to 6. It is associated with the Nibble Pos.
Data can be selected in hex. The range is
associated with the Nibble Pos. If the data is
selected as "0xXX", the data is ignored.
Slow Channel — the oscilloscope will be triggered on a Slow Channel
Message.
Frame (short serial message) — The 16-bit message consists of a 4 bit
Message ID nibble, 2 nibbles (1 byte) of data, and a CRC checksum nibble. If
ID and data match, then trigger on the end of CRC bit.
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The serial message frame contains 21 bits of payload data. Two different
configurations can be chosen determined by the configuration bit (serial data
bit #3, serial communication nibble No. 8):
Frame (enhanced serial message with 4bits ID) —16-bit data and 4-bit
message ID, the configuration bit is 1.
Frame (enhanced serial message with 8bits ID) —12-bit data and 8-bit
message ID, the configuration bit is 0.
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If you set the trigger condition to Slow Channel:
ID can be selected in the hexadecimal range of
0x0 to 0xF (short serial / enhanced serial with 4
bits ID）or 0x00 to 0xFF（enhanced serial with 8
bits ID）. If it is selected as "0xXX", the ID is
ignored.
Compare Type can be specified as Equal, Not
Equal, Less than, Less or Equal, Greater than,
Greater or Equal, in Range of, out of Range.
Data can be selected in the hexadecimal range
of 0x00 to 0xFF (short serial ） or 0x0000 to
0xFFFF（enhanced serial with 4 bits ID）or 0x000
to 0Xfff(enhanced serial with 8 bits ID). If it is
selected as "0xXX", the data is ignored.
Error — the oscilloscope triggers on the error frame. Errors include Successive
Sync Pulses Error，Pulse Period Error, Fast Channel CRC Error, Slow Channel
CRC Error, All CRC Errors.
Successive Sync Pulses Error: triggers on a sync pulse whose width varies
from the previous sync pulse's width by greater than 1/64 (1.5625%, as
defined in the SENT specification).
Pulse Period Error: triggers if a nibble is either too wide or too narrow (for
example, data nibble < 12 (11.5) or > 27 (27.5) ticks wide). Sync, S&C, data,
or checksum pulse periods are checked.
Fast Channel CRC Error：triggers on any Fast Channel Message CRC error.
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Slow Channel CRC Error：triggers on any Slow Channel Message CRC
error.
All CRC Errors：triggers on any CRC error, Fast or Slow.
16.11.3 SENT Serial Decode
The configuration of SENT decoding is similar to that of I2C decoding.
On the bus:
For Fast Channel:
SYNC is displayed in pink
STATE is displayed in green
DATA is displayed in white
CRC and Pause pulse are displayed in blue
For Slow Channel:
ID is displayed in green
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DATA are displayed in white
CRC is displayed in blue
In the list view:
Time — The horizontal offset of the current data frame head relative to
the trigger position.
Sync — Sync pulse width (only fast channel)
State — Status & Communication nibble (only fast channel)
ID — ID of the frame. (only slow channel)
Data — Data values
CRC — Cycle redundancy check
Pause — Pause ticks
Error — Error type
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16.12 Manchester Serial Decode
This section covers decoding Manchester signals. Please read the following for
more details: "Manchester Signal Settings" and "Manchester Serial Decode".
16.12.1 Manchester Signal Settings
Connect the Manchester signal to the oscilloscope, set the mapping relation
between channels and signals, and then set the threshold level of signal. The
process of specifying the source and threshold is similar to " I2C Signal
Settings"
In the BusConfig menu of decode, the following parameters are available:
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A. Touch to specify the baud rate, the range is
500b/s to 5Mb/s
B. Set the Manchester signal's logic type. R:1
indicates that rising edge is used to encode a
bit value of logic 1, and F:1 indicates that falling
edge is used to encode a bit value of logic 1
C. Set the idle level
D. Set the starting edge of the Manchester signal.
The range is 1~32
E. Set the minimum idle time/inter-frame gap time
of the Manchester bus in terms of the bit width.
F. Set the display format to Byte or Bit
G. Set the bit order to MSB or LSB
H. Set the sync field size, from 0 to 32
I. Set the header size, from 0 to 32
J. Set the number of words in data field, from 1 to
255
K. Set the data word size, from 2 to 8
L. Set the trailer size, from 0 to 32
M. Return to previous menu
16.12.2 Manchester Serial Decode
The configuration of Manchester decoding is similar to that of I2C decoding.
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On the bus:
SYNC is displayed in pink
Header is displayed in green
DATA is displayed in white
Trailer is displayed in blue
In the list view:
Time — The horizontal offset of the current data frame head relative to
the trigger position.
Data — Data words
Error — Error type
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17 Cursors
17.1 Overview
Cursors are important tools when measuring signals. Rapid measurements can
be performed using cursors in both horizontal and vertical directions. The cursor
types includes X1, X2, X1-X2, Y1, Y2 and Y1-Y2, used to indicate X-axis values
(time or frequency) and Y-axis values (amplitude) on a selected waveform
(CH1/CH2/CH3/CH4/MATH/REFA/REFB/REFC/REFD/Histogram).
Press the Cursors button on the front panel or touch the menu Cursors>Menu
to open cursors dialog box:
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A. Turn on or off cursors function
B. Cursors Mode. The vertical cursors
will automatically track the
waveform in Trace mode.
C. Specify the cursor and set the
position (by gestures, universal
knob, or virtual keypad)
D. Select the source
E. Cursors type (horizontal, vertical,
horizontal + vertical), this option is
supported only in "Manual" mode.
F. Display mode of cursors
G. X cursors reference (Delay or
Position)
H. Y cursors reference (Offset or
Position), this option is supported
only in "Manual" mode.
Cursors Mode
Manual -- Manually set the cursors’ position. Cursors type (horizontal,
vertical, horizontal + vertical) is available in this mode.
Track -- The cursor type is automatically set to "horizontal + vertical". In this
mode, only horizontal cursors are adjustable, while the vertical cursors
automatically attach to the cross-point of the cursor and the source
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waveform.
Manual Mode
Track Mode
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Cursors Type
X (horizontal) -- Vertical dotted lines that measure horizontal time (when the
source is an FFT waveform, X cursors measure frequency).
X cursors (time)
X cursors (frequency)
X1 — The left (default) vertical dotted line. It can be manually moved
to any horizontal position on the screen.
X2 — The right (default) vertical dotted line. It can be manually
moved to any horizontal position on the screen.
X1- X2 — The difference between X1 and X2. After this option is
selected, turning the universal knob will move both X1 and X2
simultaneously.
Y（vertical）– Horizontal dotted lines that measure vertical voltage or current
(depending on the unit of the selected channel). When the cursors source is the
math function, the units will match the math function.
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Y1 — The upper (default) horizontal dotted line. It can be manually
moved to any vertical position on the screen.
Y2 — The lower (default) horizontal dotted line. It can be manually
moved to any vertical position on the screen.
Y1- Y2 — The difference between Y1 and Y2. After this option is
selected, turn the universal knob to move both Y1 and Y2
simultaneously.
X+Y (horizontal + vertical) -- Both the X cursors and Y cursors are enabled.
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Display Mode
Display Mode M1
Display Mode M2
M1 – The position information of each cursor is attached to the cursor, and
the difference information is between the two cursors with arrows
connected to the cursors. This mode is more intuitive.
M2 -- The position information of each cursor and the difference between
the cursors are displayed in a region on the screen. The region can be
moved by gestures to avoid covering the waveform. This mode is relatively
concise.
Cursors Reference
X cursors reference:
Fixed Delay– When the timebase is changed, the value of X cursors
remain fixed.
Fixed Position– When the timebase is changed, the X cursors remain
fixed to the grid position on the display.
Y cursors reference:
Fixed Offset– When the vertical scale is changed, the value of Y
cursors remain fixed.
Fixed Position– When the vertical scale is changed, the y cursors
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remain fixed to the grid position on the display.
Take X cursors reference as an example to demonstrate the scaling effect of
different settings:
Timebase=50ns/div，X1=-50ns=-1div，X2=100ns=2div
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Fixed position, timebase is changed to 100ns/div, the grid number of X cursors (-
1div、2div) remains fixed. The value of X1 and X2 are changed to -100ns、200ns.
Fixed delay, timebase is changed to 100ns/div, the value of X cursors (-50ns、
100ns) remains fixed. The grid number of X cursors are changed to -0.5div、1div.
17.2 Select and Move Cursors
The cursors can be selected and moved directly by gestures and the universal
knob on the front panel, in addition they can be selected in the cursors dialog
box.
Gestures
Directly touch the cursor and drag it, as shown below:
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Touch the display area of △X (or △Y) in M1 mode and drag it to move the two
cursors simultaneously, as shown in the figure below. This is equivalent to the
operation on the cursor type X1-X2 or Y1-Y2.
Universal Knob
Move the cursor position by turning the universal knob on the front panel. Press
the knob to select different cursor lines. For example, if the current cursor is X1,
press to select X2, and press again to select X1-X2.
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Gestures move the cursor quickly but not precisely, while the knob moves the
cursor precisely but not as quickly. You can use both in combination to suit your
needs: First, a rough adjustment is achieved by using gestures and then fine
adjustment is achieved by using the universal knob.
Dialog Box
Touch the cursor name area
of the dialog box, select the
cursor(s) in the pop-up list,
and then rotate the
universal knob to adjust the
position.
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18 Measurement
18.1 Overview
The SDS5000X features a strong automatic measurement list. These
parameters can be automatically measured without cursors and include
common measurements such as rise time, fall time, peak-peak, and period. The
SDS5000X can also measure multiple channels at the same time, showing up
to 5 parameter measurements with statistics while in the M1 display mode and
up-to 12 parameters in the M2 mode. If you wish to view more parameters on
a specified channel, then the "Simple" mode can be employed. For measuring
waveform of interest in a time gate, the "Gate" function is suggested.
Some parameter measurements (such as mean) may be a value generated by
all the data in a frame. Some parameter measurements (such as period)
accumulate all measurements in a frame, but the displayed value is always the
first value. If you want to know the distribution of multiple parameters in one
frame, you should use the statistics function.
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A. Waveform display area, automatically compresses when the other
windows are displayed
B. Measurement parameters and statistics display area. If select the
mode as “Simple”, the "Simple" parameter area is displayed
C. Statistics histogram display area
D. Measure dialog box
Press the Measure button on the front panel or touch Measure>Menu to open
the dialog box.
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A. Enable/disable measure
B. Set the mode of measure: Simple or
Advanced. "Simple" shows the specified
basic measurement parameters of the
selected channel. In "Advanced" mode,
the measurement parameters can be
added one-by-one as needed
C. Measure configuration: gate, amplitude
strategy, threshold and display mode
D. Clear all the selected measurements
E. Select measurement parameters
F. Turn on the trend plot of the selected
measurement
G. Turn on or off statistics
H. Statistics settings: count limit, reset
statistics and histogram
18.2 Set Parameters
Touch Type in the measure dialog box, or touch + in the measurement
parameters and statistics display area to open the parameter selection window:
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A. Set the source of the current setting.
B. Measurement parameter classification tabs, including Favorite,
Vertical, Horizontal, Miscellaneous and CH Delay. Touch a tab and in
the area will display the corresponding parameters
C. Parameters. Touch the parameter to be measured to activate it, and
touch it again to close the parameter.
D. Background highlighted parameters represent it is activated. In the
figure above, "Pk-Pk" and "ROV" are activated.
E. Description of the last selected parameter.
The correct steps to add a measurement parameter are to select the source in
the area and then select the parameter in the area. For example, to
add Pk-Pk measurements for C1 and Period measurements for C2, follow the
steps below:
Source>C1>Vertical>Pk-Pk
Source>C2>Horizontal>Period
For the channel delay (CH Delay) measurement, because the number of
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sources involved is greater than 1, the steps to specify the source is different:
In the parameter selection area, the channel corresponding to Source A is
specified first, and then the channel corresponding to Source B. Finally, the
measurement parameter is selected. For example, to activate the skew
between C1 and C2, you can follow the following steps:
Source A>C1>Source B>C2>Skew
Once a parameter is selected, it will appear in the parameter and statistical
display area below the grid:
Touch + in the blank area to add a parameter.
Touch – in the upper right corner of each parameter to close the parameter.
Touch × in the upper right corner of the area to close measurement.
Touch Clear in the dialog box to close all parameters.
The “Favorite” tab is used to store frequently used items. You can customize
this tab. Up to 20 items can be stored in it. Long press an item to add or remove
it from the “Favorite” tab. For example, to add Pk-Pk to the “Favorite” tab:
Advanced>Type >Vertical>Pk-Pk>Add to favorite
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To remove Period from the “Favorite” tab:
Advanced>Type >Favorite>Period>Delete from favorite
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18.3 Type of Measurement
18.3.1 Vertical Measurement
Vertical measurement includes 19 parameters:
Max: Highest value in the input waveform
Min: Lowest value in the input waveform
Pk-Pk: Difference between maximum and minimum data values
Top: Value of most probable higher state in a bimodal waveform
Base: Value of most probable lower state in a bimodal waveform
Amplitude: Difference between top and base in a bimodal
waveform. If not bimodal, the difference between max and min
Mean: Average of data values
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Cycle Mean: Average of data values in the first cycle
Stdev: Standard deviation of the data
Cycle Stdev: Standard deviation of the data in the first cycle
RMS: Root mean square of the data
Cycle RMS: Root mean square of the data in the first cycle
Median: Value at which 50% of the measurements are above and
50% are below
Cycle Median: Median of the first cycle
Overshoot (FOV): Overshoot following a falling edge; 100%*
(base-min)/amplitude
Overshoot (ROV): Overshoot following a rising edge; 100%*(max-
top)/amplitude
Preshoot (FPRE): Overshoot before a falling edge.
Equal to 100 %*( max-top)/amplitude.
Preshoot (RPRE): Overshoot before a rising edge.
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Equal to 100 %*( base-min)/amplitude.
L@T: Level measured at trigger position
18.3.2 Horizontal Measurement
Horizontal measurement includes 17 parameters:
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Period: Time between the middle threshold points of two
consecutive like-polarity edges.
Freq: Reciprocal of period
Time@max: First time of maximum value
Time@min: First time of minimum value
+Width: Time difference between the middle threshold of a rising
edge to the middle threshold of the next falling edge of the pulse
-Width: Time difference between the middle threshold of a falling
edge to the middle threshold of the next rising edge of the pulse
+Duty: Positive Duty Cycle. Ratio of positive width to period
-Duty: Negative Duty Cycle. Ratio of negative width to period
+BWidth: Time from the first rising edge to the last falling edge at
the middle threshold
-BWidth: Time from the first falling edge to the last rising edge at
the middle threshold
Delay: Time from the trigger to the first transition at the middle
threshold
T@M: Time from the trigger to each rising edge at the middle
threshold
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Rise Time: Duration of rising edge from lower threshold to upper
threshold
Fall Time: Duration of falling edge from upper threshold to lower
threshold
10-90%Rise: Duration of rising edge from 10-90%
90-10%Fall: Duration of falling edge from 90-10%
CCJ: The difference between two continuous periods
18.3.3 Miscellaneous Measurements
The Miscellaneous measurements tab includes 10 parameters:
+Area@DC: Area of the waveform above zero
-Area@DC: Area of the waveform below zero
Area@DC: Area of the waveform
AbsArea@DC: Absolute area of the waveform
+Area@AC: Area of the waveform above average
-Area@AC: Area of the waveform below average
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Area@AC: Area of the waveform above average minus area of
the waveform below average
AbsArea@AC: Area of the waveform above average add area of
the waveform below average
Cycles: Number of cycles in a periodic waveform
Rising Edges: Number of rising edges in a waveform
Falling Edges: Number of falling edges in a waveform
Edges: Number of edges in a waveform
Ppulses: Number of positive pulses in a waveform
Npulses: Number of negative pulses in a waveform
18.3.4 Delay Measurement
Delay measurement measures the time difference between two channels. It
includes10 delay parameters:
Phase: Phase difference between two edges
FRFR：The time between the first rising edge of source A and
the following first rising edge of source B at the middle threshold
FRFF：The time between the first rising edge of source A and
the following first falling edge of source B at the middle threshold
FFFR
：The time between the first falling edge of source A and
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the following first rising edge of source B at the middle threshold
FFFF：The time between the first falling edge of source A and
the following first falling edge of source B at the middle threshold
FRLR：The time between the first rising edge of source A and
the last rising edge of source B at the middle threshold
FRLF
：The time between the first rising edge of source A and
the last falling edge of source B at the middle threshold
FFLR
：The time between the first falling edge of source A and
the last rising edge of source B at the middle threshold
FFLF
：The time between the first falling edge of source A and
the last falling edge of source B at the middle threshold
Skew: Time of source A edge minus time of nearest source B
edge
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18.4 Trend
After adding a measurement parameter, Trend can be used to observe the
change of the selected measurement value over time.
A. Measurement parameter display area
B. Trend plot display area
C. Extend the range of time. Touch it to expand the time range.
D. Current value
E. Maximum value
F. Minimum value
G. Average value
H. Reset statistics
Press Clear Sweeps button or touch Reset Statistics in the measure dialog box,
or touch the symbol in the statistics display area to clear and restart
statistics.
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18.5 Display Mode
In advanced measurement mode, two display modes are supported: M1 and
M2.
In M1 mode, up to 5 parameter measurements are displayed at a time. When
statistics are enabled, they are listed under the measurement items. Touch a
column to add or replace a measurement.
In M2 mode, up to 12 parameter measurements are displayed at a time. When
statistics are enabled, they are distributed on the right side of the measurement
item. Touch a row to add or replace a measurement.
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18.6 Measurement Statistics
Touch Statistics Setting in the measure dialog box to recall the statistics config
dialog box:
A. Set the maximum number of
samples for the statistics function.
The setting range is 0 ~ 1024, or
unlimited. If there is no limit, the
number of statistics will be
accumulated. If there is a limit,
when the maximum number of
statistics N is reached, only the
latest N measurements will be
counted. When count is limited,
only the first period measurement
value of each frame is counted
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B. Clear and restart the statistics.
Pressing the Clear Sweeps button
on the front panel has an
equivalent effect
C. Turn on or off histogram
D. Return to previous menu
Enable the Statistics function to observe the distribution of the measured values
of every selected parameter.
Value – The current measurement
Mean – Average of all historical measurements
Min – The minimum of all historical measurements
Max – The maximum of all historical measurements
Stdev – Standard deviation of all historical measurements
Count – The number of historical measurements
Press the Clear Sweeps button or touch Reset Statistics in the statistics setting
dialog box, or touch the symbol in the statistics display area to clear and
restart statistics.
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18.7 Statistics Histogram
After enabling statistics on a selected measurement, you can also activate
statistical histogram. The histogram appears at the bottom of the statistics area.
This enables users to quickly view the probability distribution of the measured
parameters. The color of the histogram is consistent with the measurement
source (Channel 1 is yellow, etc.).
Touch the histogram area of a parameter to enlarge it for details. You can move
the large histogram window position around the display by dragging. Touch the
histogram of another parameter to switch to the corresponding enlarged
histogram.
A. Parameter
B. Histogram display area. X-axis represents measured values and Y-
axis represents the probability.
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C. Count of statistics
D. Current value
E. The bin that includes the maximum value and the probability of a
value falling into it
F. Close the enlarged histogram
18.8 Simple Measurements
Enabling Simple Measurement displays all selected measurement parameters
of the specified channel at the same time. The font color of the measurement
parameters is consistent with the color of the specified source. Yellow for
Channel 1, Purple for Channel 2, etc.
18.9 Gate
Sometimes the user may want to measure parameters for a certain specified
time range of the signal and ignore signal parts that lie outside of that range. In
this case, the Gate function can be helpful.
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Touch Gate in the measure dialog box, then two
horizontal cursors A and B will appear in the grid
area. The gate setting dialog box will be displayed
on the right.
Gate cursors A and B are used to define the range of
time for parameter measurements. The oscilloscope
only measures the parameters of the data between A
and B, ignoring the data outside the range.
The setting of gate cursors is similar to that of
ordinary cursors. See " Select and Move Cursors" for
details.
The figure below shows a scenario in which the gate function is used to
measure the peak-peak parameter of the trough of an amplitude modulated
waveform:
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18.10 Amplitude Strategy
According to different types of input signals, users can choose the
corresponding amplitude calculation strategy which can make the
measurement of top value and bottom values more accurate.
Touch Config＞Amplitude Strategy in the measure dialog box to recall the
amplitude strategy dialog box:
A. Set the amplitude calculation
strategy. When set to auto, the
amplitude calculation strategy
will be selected automatically
according to the input signal to
ensure the accuracy of the
measured value
B. Set the top value calculation
strategy. When set to histogram,
the value greater than half of
peak value will be counted, and
the value with the maximum
probability will be identified as
the top value; when set to max,
the maximum value of waveform
will be identified as the top value
C. Set the base value calculation
strategy. When set to histogram,
the value less than half of peak
value will be counted, and the
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value with the maximum
probability will be identified as
the base value; when set to min,
the minimum value of waveform
will be identified as the base
value
D. Return to previous menu
18.11 Threshold
Measurement thresholds can be defined by the user. This is more flexible than
fixed thresholds. For example, for pulse width measurement, the threshold can
be specified rather than fixed at 50%. For rise time, the lower / upper thresholds
can be specified rather than fixed at 10%/90%.
Changing the default threshold may change the measurement results of
relevant measurement items, such as: Period, frequency, +width, -width, +duty,
-duty, +BWidth, -BWidth, delay, T@M , rise time, fall time, CCJ, cycles, rising
edges, falling edges, edges, Ppulses, Npulses, and delay measurement.
Touch Config＞Threshold in the measure dialog box to recall the threshold
dialog box:
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A. Set measurement threshold source
B. Set the type of threshold
C. Set the upper value
D. Set the middle value
E. Set the lower value
F. Return to previous menu
Threshold Type
Percent: Set according to the percentage of waveform. The setting range of
lower value and upper value is 1% ~ 99%, and the low value shall not be greater
than the middle value and high value
Absolute: Set according to the vertical range. The absolute threshold value
depends on the vertical scale, offset and probe attenuation. These values
should be set before setting absolute thresholds. Lower and upper values are
limited to the range of screen. If any absolute threshold is greater or less than
the minimum or maximum waveform value, the measurement may be invalid.
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19 Math
19.1 Overview
The SDS5000X supports 2 math traces and multiple operators: Addition (+),
subtraction (-), multiplication (x), division (/), differential (d/dt), integral (∫dt),
square root (√) and FFT, as well as a formula editor. The math traces are
labeled with an “F1” and “F2” icon and can be measured by the cursors or as
the source of auto measurement.
Press the MATH button on the front panel, or touch + in the channel descriptor
box region and select Func1 or Func2, and then math dialog box pops up.
A. Select the math trace, F1 or F2
B. Turn on or off the math operation
C. Select the function. Touch the area to
recall the function setting page, and select
the source and operator
D. Set the vertical scale of the math operation
E. Set the label text of the math trace
F. Set the vertical position of the math
operation. The vertical scale and position
of the math can also be set by knob,
referring to "Decode/Digital/Math/Ref "
G. Enable/Disable invert, that is similar to the
process used in "Vertical Setup".
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Units for Math Waveform
Different operations have different dimensions. Therefore, the specific units
displayed in Scale depend on the operation:
Math Operation
Unit
Addition (+)or
Subtraction (-)
V, A, or U*
*(used when the units of two sources are not
consistent)
Multiplication (x)
V
∧
2, A
∧
2, or W
Division (/)
None, Ω (Resistance unit Ohms), S (conductance
unit Siemens)
FFT
dBVrms, Vrms, dBArms, Arms, dBm
d/dt
V/s (Volt/second) or A/s (A/second)
∫dt
VS (Volt*second) or AS (A*second)
√
V
∧
0.5 or A
∧
0.5
19.2 Arithmetic
The SDS5000X can perform arithmetic operations including addition,
subtraction, multiplication or division on any two analog input channels, and
identity or negation on one channel. The values of Source A and Source B are
computed point-by-point.
The following figure shows an example of F1 = C1 + C2:
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19.3 Algebra
The SDS5000X can perform algebra operations including differential (d/dt),
integral (∫dt), square root (√), absolute(|x|), sign, Exp (
), Exp10 (
), Ln, Lg
and interpolate (Intrp).
19.3.1 Differential
The differential (d/dt) operator is used to calculate the derivative of the selected
source. It is always used to measure the instantaneous slope of the waveform,
such as the slew rate of an operational amplifier.
The differential equation is:
dx
y(i) - dx)+(iy
di
Where:
d = Differential result
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y = Values of source data
i = Data point index
dx = Differential interval
The range of “dx” in the d/dt menu is 2~20. The measurement units are point
and the corresponding time difference range is 0.02~0.20 div. “div” indicates
the number of the pixel points that each division has and is 100 for the
SDS5000X. If dx = 10 points, the time difference is:
0.01*10 = 0.1 div
Then the differential operator calculates the "average slope in 10 points" of the
selected source and dx represents the time difference between the 10 sampled
points.
dx = 2
dx = 6
Note: Differentiation is sensitive to noise. It is helpful to set the acquisition mode
to “Average” or “ERES” to help minimize the visible effects of additional noise.
19.3.2 Integral
Integral operation integrates the waveforms on the screen or within the
specified gate.
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Setting Offset in the integral menu provides an approach to correct the DC
offset of the source. Small DC offsets in the input signal (or even small offset
errors of the oscilloscope itself) may cause the integral output waveform to
"ramp" up or down, as shown below:
Integral without Offset
Integral with Offset
In addition, the integral operation can be performed within a specified gate.
Touch Gate area in the math dialog box, and enable Gate function, then set
Gate A and Gate B to define the gate. The setting of the gate cursors is similar
to that of normal cursors. See " Select and Move Cursors" for details.
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19.3.3 Square Root
Square root （√） calculates the square root of selected source. If the waveform
value is negative (the waveform is below the ground level), the result is
displayed as zero.
19.3.4 Absolute
Absolute（|x|）calculates the absolute value of the selected trace.
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19.3.5 Sign
In mathematics, the sign function or signum function (from signum, Latin for
"sign") is an odd mathematical function that extracts the sign of a real number.
The sign function of a real number x is defined as follows:
Sign(x) = -1 if x < 0,
= 0 if x = 0,
= 1 if x > 0.
19.3.6 Exp/Exp10
The exponential operation includes the exponential operation
based on
constant e and the exponential operation
based on 10.
For example: y(x) =
.
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19.3.7 Ln/Lg
Logarithmic operation includes logarithm base e (ln) and logarithm base 10 (lg).
In logarithmic operation, if the waveform value is negative (the waveform is
below the ground level), the result is displayed as zero.
For example: F1 =
, where x is the trigonometric wave function. F2 = ln (F1).
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19.3.8 Interpolate
Between the adjacent sampling points, the waveform is interpolated according
to the selected interpolation method and interpolation coefficient. Touch
Acquire＞Interpolation to set the interpolation method, and the interpolation
coefficient can be set to 2, 5, 10 or 20.
coefficient = 2
coefficient = 20
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19.4 Frequency Analysis
The result of FFT (Fast Fourier Transform) calculations is the frequency
spectrum of the source signal. The horizontal axis of the FFT display is labeled
using frequency (Hz) units instead of time (seconds). In addition, the vertical
axis provides the option of logarithmic scaling (dBVrms/dBArms or dBm).
A. Time-domain waveform display area
B. Spectrum (FFT) waveform display area
C. FFT parameter display area
D. Dialog box
Parameter Display Area
The FFT parameters are displayed in upper right of the spectrum waveform
display area:
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FFT sample rate (Sa): FFT operation results present the first Nyquist zone
(DC ~ Sa/2) of the frequency spectrum. Be aware that the FFT sample rate
may be inconsistent with the sample rate in the time domain. Assuming the
max points is set to 2 Mpts:
When the number of points in time domain, N, is less than 2 Mpts, the
FFT takes the number which is an integer power of 2 closest to N. In
this case, FFT sample rate = sample rate in time domain.
When N is greater than 2 Mpts, FFT first decimates N by D, and then
takes the first 2 Mpts for the calculation. In this case, FFT sample rate
= sample rate in time domain/D.
For example, in the case of sample rate in time domain is 5 GSa/s and
the number of samples is 5 Mpts, the FFT first decimates the samples
by 2, to 2.5 Mpts, and then takes the first 2 Mpts to calculate the
spectrum. In this example, FFT sample rate = 5 GSa/s ÷ 2 = 2.5 GSa/s.
FFT points (Curr): The current FFT points, which is an integer power of 2.
The SDS5000X supports up to 2 M points (2097152, to be exact).
Frequency interval (△f): The frequency interval between two adjacent
points in the FFT sequence, which is proportional to the frequency
resolution.
Average count of FFT (Avg): Displayed only when the FFT mode is set to
"Average", indicating the completed average count.
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Select Operation as FFT in the math dialog box and
touch Config to recall the configuration dialog box:
A. Set the maximum points (2
n
, n = 11 ~ 21)
B. Set the window type (Rectangle,
Blackman, Hanning, Hamming and
Flattop)
C. Automatically set vertical scale, reference
level, center frequency and horizontal
scale according to the maximum
frequency component in the previous
frame
D. Select the display mode (Split, Full Screen
and Exclusive)
E. Select the FFT mode (Normal, Average
and Max-Hold)
F. Set the average count in average mode
G. Reset average
H. Return to previous menu
Windows
Spectral leakage in FFTs can be considerably decreased when a window is
used. SDS5000X provides five windows which have different characteristics
and are applicable to different scenarios.
For example, for a two-tone signal with a very close frequency interval, it is
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suitable to use Rectangle window with the best frequency resolution. For the
case where the accuracy of amplitude measurement is critical, it is
recommended to select Flattop window with the best amplitude resolution.
Window
Characteristics
Main lobe
width
Side lobe
suppression
Maximum
amplitude
error
Rectangle
The best
frequency
resolution
The worst
amplitude
resolution
It is equivalent to
the case of no
window
23π/N
-13 dB
3.9 dB
Hanning
Better frequency
resolution
Poor amplitude
resolution
8π/N
-32 dB
1.4 dB
Hamming
Better frequency
resolution
Poor amplitude
resolution
8π/N
-43 dB
1.8 dB
Blackman
Poor frequency
resolution
Better amplitude
resolution
12π/N
-58 dB
1.1 dB
Flattop
Poor frequency
resolution
The best
amplitude
resolution
23π/N
-93 dB
< 0.1dB
Display Mode
Split: Time domain waveform and frequency domain waveform are
displayed separately. The time domain waveform is on the upper half
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screen, while the frequency domain waveform is located within the lower
half of the display. In Split mode, if Zoom is enabled, the zoom waveform
and the frequency domain waveform are displayed on the lower half screen
together.
Full Screen: Time-domain waveform and frequency-domain waveform are
displayed together.
Exclusive: Only the frequency-domain waveform is displayed.
Split Mode, Zoom off
Split Mode, Zoom on
Full Screen Mode
Exclusive Mode
FFT Mode
Normal: Displays the FFT result of each frame directly.
Max-Hold: Holds the maximum value in the historic frame on the display
until cleared. This mode is suitable for detecting discontinuous waves, such
as sporadic pulse signals, or frequency hopping signals. Press the Clear
Sweeps button on the front panel to clear the max-hold waveform.
Average: Reduces the effect of the superimposed random noise on the
signal. After the FFT mode is set as Average, Average will appear under
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FFT Mode. The average count can be set here, ranging from 4 to 1024.
Press the Clear Sweeps on the front panel or touch Reset in the dialog box
to restart the average counter.
Touch Vertical or Horizontal in the math dialog box
to recall the FFT vertical or horizontal settings
dialog box:
A. Set the vertical scale and reference level
B. Set the unit (dBVrms, Vrms and dBm).
When the unit is dBm, the oscilloscope will
automatically calculate the dBm value
based on the
Ext Load
value set in
area
C. Set the external load, which is used to
calculate the correct dBm result
D. Return to previous menu
E. Set the center-span frequencies
F. Set the start-end frequencies
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Unit
The unit of the vertical axis can be set to dBm, dBVrms or Vrms. dBVrms and
Vrms respectively using either logarithmic or linear scaling. dBVrms is
recommended to show larger dynamic ranges. dBm is a power unit, the correct
result can be obtained only if the value of Ext Load is set to be consistent with
the load impedance of the actual measured signal.
Vertical Control
Touch Ref Level to set the reference level of FFT waveform by the universal
knob or the virtual keypad. It can also be set by the offset knob shared by
Decode, Digital, Math and Ref on the front panel.
Touch Scale to set the vertical scale of FFT waveform by the universal knob or
the virtual keypad. It can also be set by the scale knob shared by Decode,
Digital, Math and Ref on the front panel. The reference point for vertical scale
scaling is the reference level.
Horizontal Control
Touch Center to set the center frequency by the universal knob or the virtual
keypad.
Touch Span to set the frequency span with the center frequency as the center
by the universal knob or the virtual keypad.
Touch Start to set the start frequency by the universal knob or the virtual keypad.
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Touch End to set the end frequency by the universal knob or the virtual keypad.
The relationship between Center, Span, Start and End is:
Center = (Start + End)/2
Span = End – Start
FFT Tools
The SDS5000X provides two tools for FFT waveform: Peaks and Markers. The
peaks tool can automatically search the qualified peak points and mark them
on the FFT waveform. Up to 10 peaks is supported. Based on the peak tool,
the markers tool can automatically search the qualified harmonics, and users
can control the position of each marker. Up to 8 markers is supported.
Touch Tools in the math dialog box to recall the FFT tools dialog box:
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When FFT tool is selected as peaks, the dialog box
is as follows:
A. Turn on or off the table. Turn on the
table, the peaks searched with the limit of
Search Threshold and Search
Excursion will be displayed in table
B. Turn on or off the display of peak
frequency in the table
C. Sort peaks by amplitude or frequency
D. Set the search threshold. Only peaks
larger than the limit are shown
E. Set the difference between the peak
value and the minimum amplitude on
both sides. The difference should be
greater than the search excursion
F. Return to previous menu
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When FFT tool is selected as markers, the dialog
box is as follows:
A. Control markers. Touch to control the
display and position of each marker
B. Marker on peaks. It will automatically
mark the peak that meets the conditions
of Search Threshold and Search
Excursion
C. Marker on harmonics. It will automatically
mark each harmonic of FFT waveform
D. Turn on or off the table
E. Turn on or off the frequency display
F. Turn on or off the delta display
G. Set the search threshold. Only peaks
larger than the peak limit can be judged
as peaks
H. Set the difference between the peak
value and the minimum amplitude on
both sides. The difference should be
greater than the search excursion, which
can be determined as the peak
I. Return to previous menu
Note: The FFT dialog box is longer than the display. Slide the dialog box area
up and down by gestures, or scroll the mouse wheel to the view non-displayed
areas.
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The following is the peaks of FFT waveform:
Measure the FFT waveform
Press the Cursors button on the front panel to turn on the cursor function, and
then specifying the source as "Math". X1 and X2 cursors can be used to
measure the frequency value at the cursor position.
Only the maximum parameter of the FFT is supported in automatic
measurement.
Note: DC components in the signal may show a large amplitude near 0 Hz. If
your application does not require measurement of the DC component, it is
recommended to set coupling mode of the source channel to "AC".
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19.5 Formula Editor
Touch Formula Editor in the operation setting page to recall the editor:
A. Formula display text box
B. Text box operation area, which can clear and modify the entered
formula
C. Special operators
D. Operation source. Cx represents analog trace, Zx represents zoomed
trace and Fx represents math trace
E. Keyboard area, which contains the basic arithmetic operators addition
(+), subtraction (-), multiplication (*), division (/)
F. Confirm button. After the formula is input, press the button to apply it
The following is an example of F1 = (C1 + C1) * C2 through the formula editor
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20 Reference
Data from analog channels or math can be saved to the reference locations
(REFA/REFB/REFC/REFD) in the built-in nonvolatile memory. The saved
reference waveform can be recalled to be compared with current waveform.
A. Channel waveform
B. Reference waveform
C. Reference vertical and horizontal information display area
D. Reference dialog box, hidden in this figure
Press the Ref button on the front panel, or touch + in the descriptor box
region and select Ref to recall the ref dialog box.
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A. Select the location of the reference
(REFA/REFB/REFC/REFD)
B. Select the source (C1~C4 and MATH)
C. Enable/disable Display of the reference
waveform
D. Set the label text of the reference trace.
E. Save the specified waveform in to the
specified location in
Adjust the Reference Waveform
Set the vertical position of the reference waveform by the offset knob shared by
Decode, Digital, Math and Ref on the front panel, and set the vertical scale of
the reference waveform by the scale knob.
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21 Search
The SDS5000X can search for the specified events in a frame. Location of the
events are displayed with white triangle indicators. In YT mode or Roll mode
with the acquisition stopped, up to 1000 events is supported. In Roll mode with
acquisition in run, the number of search events is unlimited. The waveform can
be zoomed when the search function is enabled.
A. Search event indicator, marking the time point of an event
B. Total number of events marked on the display
C. Search dialog box, hidden in this example
In the stop state, the area shows the index of current event /total number
of events. The current event is the one in the center of the display.
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Press the Search button on the front panel or
touch the menu Analysis>Search to recall the
search dialog box and turn on it.
Setup Menu
Select and set the search type in the Setup Menu. The SDS5000X provides five
search conditions: Edge, Slope, Pulse, Interval and Runt.
Search Type
Setup Description
Edge
Slope: Rising, Falling, Either
Slope
Slope: Rising, Falling
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Limit Range setting is available
Pulse
Polarity: Positive, Negative
Limit Range setting is available
Interval
Slope: Rising, Falling
Limit Range setting is available
Runt
Polarity: Positive, Negative
Limit Range setting is available
Search setup is similar to the corresponding trigger type. See the sections
“ Edge Trigger”, “ Slope Trigger”, ” Pulse Trigger”, ” Interval Trigger” and ” Runt
Trigger” for details.
Copy
The SDS5000X supports replication between search settings and trigger
settings.
Copy from Trigger: Synchronize the current trigger settings to the search
settings.
Copy to Trigger: Synchronize the current search settings to the trigger
settings.
Cancel Copy: Cancel the last synchronization and restore the settings
before it.
Note: When performing copy from trigger, if the trigger type is not supported by
search, the operation is invalid.
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22 Navigate
Press the Navigate button on the front panel or touch the menu
Analysis>Navigate to recall the navigate dialog box. The SDS5000X provides
three navigate types: Search Event, Time and History Frame.
Navigate by Time
The oscilloscope automatically adjusts the
trigger delay according to the direction set by
the user.
Touch Type in the navigate dialog box to
select the navigate type as “Time”. There are
two ways to navigate by time:
Touch the Time area to set the time value
by the universal knob or the virtual keypad.
Press the navigation buttons ◀■▶ on the
front panel to play backward, stop, or play
forward the waveform. Press the ◀ or
▶buttons multiple times to speed up the
playing. Three speed levels are supported:
Low Speed, Medium Speed and High
Speed.
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Navigate by Search Event
When the Search function is turned on and the
acquisition is stopped, Navigate is usable to
find search events (see the chapter "Search"
for search function).
Touch Type in the navigate dialog box to
select the navigate type as “Search Event”.
Touch Event Num to set the event number by
the universal knob or the virtual keypad. Press
the navigation buttons ◀or▶ on the front panel
to go to the previous or next search event.
Touch Playing Mode to set the search event
playing mode.
Touch Interval Time to set the playing interval
by the universal knob or the virtual keypad.
Touch the Event List Switch area to turn on or off the list. The list contains time
labels for each event. Touching a row in the list automatically jumps to the
corresponding event. This operation is equivalent to specifying an event in the
Event Num area.
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Navigate by History Frame
When the history function is turned on,
Navigate can be used to play history frames
(see the chapter " History" for details of history
function).
Touch Type in the navigate dialog box to
select the navigate type as “History Frame”.
Touch Frame to set the frame number by the
universal knob or the virtual keypad. Press the
navigation buttons◀■▶ on the front panel to
play backward, stop, or play forward.
Touch Playing Mode to set the search event
playing mode.
Touch Interval Time to set the playing interval
by the universal knob or the virtual keypad.
Touch Stop On Search Event to set the stop
play condition: stop when the event is
searched. This setting is only valid when the
search function is on.
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The following is an example of an occasional runt signal to demonstrate how to
quickly locate and find events of interest by using the combination of Search
and Navigate:
The input signal is a 5V periodic
square wave, in which every 200ms
there is a dwarf pulse with a height
of 1/3 of the normal amplitude:
First, set the trigger type to Runt to trigger on the dwarf pulse. See the section
“ Runt Trigger” for details.
Then turn on Search function and operate Copy from Trigger in the search
dialog box so that the oscilloscope searches for the dwarf pulses according to
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the same setting as the trigger.
Set the horizontal scale to 100 ms/div, then 5 markers with ~200 ms interval is
shown on the display, indicating that a total of 5 dwarf pulses were found in the
full screen of 1 second time range:
Turn on Zoom function to observe the full view of the frame and the detail of the
third dwarf pulse at the same time:
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Press the Run/Stop button on the front panel to stop the acquisition, and then
follow the steps Navigate>Type to select “Search Event”. The following figure
shows the first dwarf pulse. In this example the list is enabled and time labels
of each event are shown in the list.
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23 Mask Test
23.1 Overview
Users can create masks and define the rule used to evaluate Pass/Fail
operations. An event violating the rule is defined as a failure and a pulse can
be generated from the "Aux Out" port on the back panel. This is very useful to
find and quantify anomalies in production tests or similar batch measurements.
When Pass/Fail is enabled, the signal output from the Aux Out is automatically
switched to Pass/Fail pulse.
A. Mask area in green. Any dot violating the rule is highlighted in red,
instead of the normal waveform color.
B. Pass/Fail information display area, including count of the passed
frames, failed frames, total frames, and the fail rate.
C. Dialog box
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Perform Analysis> Mask Test to open the Mask Test dialog box:
A. Turn on/off the test
B. Select the source（C1~C4）
C. Select the rule（All In, All Out, Any In
and Any Out）
D. Set the mask
E. Turn on/off the Pass/Fail operation.
Turning off the operation when the
test is in progress will stop the test
immediately, and the counters in the
information display area will stop.
Turn on the operation again re-starts
the test and all the counters are
cleared. Pressing the Clear Sweeps
button on the front panel is equivalent.
F. Turn on/off the information display
G. Turn on/off “Stop on Fail”. When it is
"on", the oscilloscope stops the
acquisition once it detects a failure
H. Turn on/off “Failure to History”. When
it is "on", the failure frame will be
stored internally and can be viewed
through history function
I. Turn on/off “Capture on Fail”. When it
is "on", the failure waveform is
detected, the screenshot with failure
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frame will be stored in the external U
disk.
J. Turn on/off the sound prompt when a
failure occurs.
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23.2 Mask Setup
Touch Mask Setup in the Mask Test dialog box to set the mask. There are two
methods to create mask, one is by setting horizontal and vertical values, and
the other is by drawing polygon mask.
A. Create mask automatically according to
the waveform
B. Create custom mask using the Mask
Editor tool
C. Specify the location of the mask to be
loaded
D. Load the mask from the location specified
at
E. Return to previous menu
23.2.1 Create Mask
The mask can be created based on an existed waveform trace.
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A. Set the spacing of the mask to the trace in
horizontal, with unit of division
B. Set the spacing of the mask to the trace in
vertical, with unit of division
C. Create the mask based on settings in
and
D. Specify the location of the mask to be
saved
E. Select number of internal locations,
optional 1~4
F. Save the mask to the location specified at
G. Return to previous menu
Set the values for Mask X and Mask Y (in divisions of display graticule), and
then perform Create Mask to generate the mask. The horizontal and vertical
adjustment range is 0.08~4.00 div.
X = 0.2 div, Y = 0.2 div
X = 1 div, Y = 1 div
Saving and recalling mask files (*.msk) is similar to the operation of setup files,
see the chapter "Save/Recall" for details.
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23.2.2 Mask Editor
The Mask Editor is a built-in tool which provides an approach to create custom
masks. Below is its layout:
A. Menu bar
B. Coordinate of the latest touched point on the display
C. Mask edit area, which is equivalent to the grid area. In this example,
a hexagon has been created as a part of the mask
D. Tool bar
E. Coordinate edit area. Set the X ordinate and Y ordinate by the
virtual keypad and then touch the “Input” button the perform the
ordinate update
F. Display or hide coordinate of polygon vertices on the display
G. Exit the tool
Menu bar
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There are 2 menus on the menu bar. The File menu includes ordinary file
operations such as:
New: Create a new mask file
Open: Open an existed mask file
Save: Save the current mask file
Exit: Exit the Mask Editor tool
Note: The mask file created by the “Create Mask” cannot be recalled by the
Mask Editor.
The contents of the Edit menu are equivalent to the Tool bar.
Tool bar
Draw: Creates vertices of a polygon by touching the display or entering
values in coordinate edit area
Create Polygon: Creates a polygon based on the drawn vertices by
the operation Draw
Undo
Redo
Insert Point: Inserts a vertex on a selected side
Edit Polygon: Edits a polygon. Vertices, sides and the polygon are all
editable object
Delete Polygon: Deletes selected polygon
To edit a vertex, side or polygon object, firstly select it, and then move it by a
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dragging gesture or by entering the desired value in coordinate edit area.
For a side, the value is for its middle point. For a polygon, the ordinate is for its
geometric center.
Select a vertex (point)
Select a side (line segment)
Select a polygon
23.3 Pass/Fail Rule
The Pass/Fail rule is specified at the Type region in the Mask Test dialog box.
All In: All data points must be inside the mask to pass the test. Even a
single point outside the mask will cause a failure.
All Out: All data points must be outside the mask to pass the test. Even
a single point inside the mask will cause a failure.
Any In: Any data point inside the mask will be recognized as pass. All
data points outside the mask will cause a failure.
Any Out: Any data point outside the mask will be recognized as pass.
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All data points inside the mask will cause a failure.
23.4 Operation
Touch Operation to start/stop the test. Stopping a test in progress and restart
the test will clear the count of the passed frames, failed frames, total frames,
and the fail rate. Pressing the Clear Sweeps button on the front panel can also
clear the count information.
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24 DVM
24.1 Overview
The DVM (Digital Voltage Meter) function can be used to measure parameters
such as DC and AC amplitudes. The SDS5000X measures the specified
parameter of the input signal and can display it in various formats, including:
Bar, Histogram and Trend. DVM is asynchronous to the acquisition system of
the oscilloscope. Sources of DVM and Measurement can be different, and DVM
can work well even if the acquisition of the oscilloscope is stopped (indicated
by a red colored Run/Stop button).
A. Bar display area
B. Histogram display area
C. Trend display area
D. DVM dialog box
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Touch the menu Analysis>DVM to open DVM dialog
box:
A. Turn on or off the DVM
B. Select the source (C1~C4)
C. Select the Mode: DC Mean, DC RMS, AC
RMS, Peak-Peak and Amplitude
D. Turn on or off the Auto Range
E. Turn on or off the bar diagram
F. Turn on or off the histogram diagram
G. Turn on or off the trend plot
H. Turn on or off Hold. DVM stops acquisition
in Hold mode.
24.2 Mode
DVM provides 5 modes. Touch mode in the DVM dialog box to open the mode
selection window:
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DC Mean: Average of the data
DC RMS: Root mean square of the data at DC coupling
AC RMS: Root mean square of the data at AC coupling
Peak-Peak: Difference between maximum and minimum data value
Amplitude: Difference between top and base in a bimodal waveform. If not
bimodal, difference between max and min.
24.3 Diagrams
After selecting the mode, users can touch the screen to open the state diagrams:
bar, histogram, and trend. The color of the data in diagrams is consistent with
the color of source.
Bar
Bar diagram accurately displays the current measured value. Touch Bar in the
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DVM dialog box to display it.
A. Mode
B. Current value
C. Bar corresponding to the current value
Histogram
Histogram visually indicates probability distribution of the measured values.
Touch histogram in the DVM dialog box to display it.
A. Mode
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B. Histogram display area
C. Current value
D. The bin including the maximum value and probability with which
values falling into it
E. Statistics counts
F. Reset statistics
Trend
Trend diagram indicates the trend of the measured values over time. Touch
trend in the DVM dialog box to display it.
A. Mode
B. Trend display area
C. Extend the range of time. Touch it to expand the time range.
D. Current value
E. Maximum value
F. Minimum value
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G. Average value
H. Reset statistics
Press the Clear Sweeps button on the front panel to restart counting and
statistics. Touch the symbol in the histogram and trend display areas to
restart statistics.
When all the 3 diagrams are closed, there is a simple information bar on top-
left of the waveform display area to show the current value of the DVM:
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25 Counter
25.1 Overview
The counter is used to measure the frequency and period of a signal or count
the events happening within it. The counter is asynchronous to the acquisition
system of the oscilloscope. It can work well even if the acquisition of the
oscilloscope is stopped (indicated by a red colored Run/Stop button)
Touch the menu Analysis>Counter to open counter dialog box:
A. Turn on or off Counter
B. Select the mode: frequency, period and
totalizer
C. Select the source (C1~C4)
D. Set the level of the counter
E. Turn on or off statistics
F. Clear and restart the statistics. Pressing
the Clear Sweeps button on the front
panel has an equivalent effect
Mode
See section “Mode” for details.
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Statistics
When statistics are enabled, the counter will increment the data and display the
statistics results on the screen.
Value – The latest count
Mean – The average of all historical counts
Min – The minimum of all historical counts
Max – The maximum of all historical counts
Stdv – The standard deviation of all historical counts, used to judge the
distribution of historical count parameters
Count – Number of counts obtained
Press the Clear Sweeps button or touch Reset Statistics in the measure dialog
box to clear and restart statistics.
25.2 Mode
The counter provides 3 modes. Touch mode in the counter dialog box to open
the mode selection window:
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Frequency: Average frequency over a period of time
Period: The reciprocal of the average frequency over a period of time
Totalizer: Cumulative count
When the mode is selected as totalizer, the edge of the counting source needs
to be set. When the counting gate is turned on, the counter can count only when
the gate source meets the specified conditions. Touch Gate Setting to recall the
gate setting dialog box:
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A. Turn on or off the gate
B. Select the gate type: Level or After Edge
C. Gate source display area. C1 and C2 are
gate sources of each other, C3 and C4
are gate sources of each other
D. When the gate type is level, set the
polarity (Positive or Negative) of the gate
source. When the gate type is edge, set
the slope (Rising or Falling edge) of the
gate source.
E. Set the gate level
F. Return to previous menu
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26 Histogram
26.1 Overview
The SDS5000X supports waveform histograms for observing probability
distributions of the waveform in the specified region. The statistics can be
performed in both horizontal and vertical directions. The histogram continues to
update as long as acquisition is active.
Touch Analysis>Histogram to recall Histogram dialog box:
A. Turn on or off histogram
B. Select the source of histogram: C1~C4.
When Zoom is turned on, the source
selection is automatically switched to Z1-
Z4 (Z = Zoom waveform)
C. Set the type of histogram: Horizontal,
Vertical or Both
D. Set the region of histogram. The setting
range is within the waveform area.
E. Turn on or off histogram statistics
F. Clear and restart the histogram statistics.
Pressing the Clear Sweeps button on the
front panel has an equivalent effect
Type
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Horizontal – Displays histogram in horizontal direction. The oscilloscope
counts waveform data falling into every horizontal (time) bin defined by the
histogram region and show the histogram at the bottom of the waveform
area.
Vertical – Displays histogram in vertical direction. The oscilloscope counts
waveform data falling into every vertical (amplitude) bin defined by the
histogram region and show the histogram at the left of the waveform area.
Both – Displays both horizontal and vertical histograms
Horizontal
Both
Vertical
Region Setting
See section “ Region Setting” for details.
Histogram Statistics
When histogram statistics is turned on, the oscilloscope will show statistics
parameters of the histogram on the display.
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Sum – Total samples falling in the histogram region
Peak – Samples in highest bin
Max – Maximum value of the samples
Min – Minimum value of the samples
Pk-Pk – Maximum - Minimum
Mean – Mathematical expectation (or average) value of the samples
Median – The value separating the higher half from the lower half of the
histogram
Mode – The value that appears most often
Bin Width – The width of each bin
Sigma – Standard deviation of the samples
Press the Clear Sweeps button or touch Reset Histogram in the histogram
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dialog box to clear and restart the statistics.
26.2 Region Setting
Histogram region can be created and moved directly by gesture or by setting
Histogram> Region Setting in the dialog box. The border color of the histogram
region is consistent with the color of the specified source.
Gesture
Touch any position of the waveform area and draw a rectangular box, as follow:
When the finger moves out of the touch screen, a menu pops up. Select
"Histogram" in the menu:
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After the region is created, it can be moved by dragging gesture.
Dialog Box
Touch Histogram> Region Setting to recall the dialog box.
A. Set left border of the histogram region
B. Set right border of the histogram region
C. Set top border of the histogram region
D. Set bottom border of the histogram region
E. Return to previous menu
Touch the area above to set the value by the
universal knob or the virtual keypad.
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27 Power Analysis
27.1 Overview
The SDS5000X supports a power analysis function. Power analysis can help
users quickly and easily analyze and debug switching power supply design. It
automatically calculates Power Quality, Current Harmonics, Inrush Current,
Switching Loss, Slew Rate, Modulation, Turn On/Turn Off, Transient Response,
PSRR, Power Efficiency, Output Ripple, etc. Full use of the Power analysis
requires an SDS5000X oscilloscope with a firmware revision > 0.8.7R1B1, a
differential voltage probe like the SIGLENT DPB series, a current probe like the
SIGLENT CP series, the SIGLENT DF2001A deskew fixture, and the power
analysis activation license (part number SDS-5000X-PA). Install the software
option part number SDS-5000X-PA to permanently enable the power analysis
function. Please refer to the section " Install Option" for installation and
activation instructions.
Touch Analysis>Power Analysis to recall power analysis dialog box:
A. Enable/Disable the test
B. Select the analysis item (Power
Quality, Current Harmonics, Inrush
Current, Switching Loss, Slew Rate,
Modulation, Turn On/Turn Off,
Transient Response, PSRR, Power
Efficiency, Output Ripple, etc.)
C. Turn on/off the state of the analysis
item
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27.2 Power Quality
The specific measurement parameters of power quality analysis include active
power, apparent power, reactive power, power factor, power phase angle,
voltage effective value, current effective value, voltage crest factor and current
crest factor of power input of a switching power supply.
Type
Power—includes all the items to describe energy flow in a system: Active power,
reactive power, apparent power, power factor and power phase angle.
P: Active Power =
S: Apparent Power = Vrms * Irms
Q: Reactive Power =
Power Phase Angle: Phase difference between voltage and current
Power Factor, which is the ratio of active power and apparent power.
Voltage Crest -- voltage parameters of the power input, include voltage crest,
voltage effective value and voltage crest factor.
Vrms =
V_Crest = Vpeak / Vrms
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Current Crest -- current parameters of the power input, include current crest,
current effective value and current crest factor.
Irms =
I_Crest = Ipeak / Irms
Signal Settings
Touch Signal to recall signal settings dialog box:
A. Set the input voltage source
B. Set the input current source
C. Set the periods displayed
D. View the connection guide
E. Return to previous menu
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of power quality,
as shown in the figure below. Please follow the instructions in this figure for
correct connections. Touch the icon on the top right of the guide to close.
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27.3 Current Harmonics
Current harmonics is used to analyze the input current harmonics. An FFT of
the selected channel is performed to get the harmonic components. The signal
settings and connection guide are the same as the power quality test.
Configuration
Touch Config to recall configuration dialog box:
A. Set the frequency of the line (Auto,
50 Hz, 60 Hz or 400 Hz)
B. Set the standard type (IEC61000-3-2
A, IEC61000-3-2 B, IEC61000-3-2 C
or IEC61000-3-2 D)
C. Set the display type (Off, Bar Chart
or Table)
D. Return to previous menu
Standard
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IEC 61000-3-2 is an international standard that limits mains voltage distortion
by prescribing the maximum value for harmonic currents from the second
harmonic up to and including the 40th harmonic current. There are 4 different
classes in the EN 61000-3-2 that have different limit values:
Class A: Balanced 3-phase equipment, household appliances excluding
equipment identified as class D, tools, excluding portable tools, dimmers
for incandescent lamps, audio equipment, and all other equipment, except
that stated in one of the following classes.
Class B: Portable tools, arc welding equipment which is not professional
equipment
Class C: Lighting equipment.
Class D: PC, PC monitors, radio, or TV receivers. Input power P ≤ 600 W.I
Parameter Description
For the first 40 harmonics, the following values are displayed:
Measured Value (RMS) -- The measured value displayed in the unit specified
by the harmonic unit parameter
Limit Value (RMS) -- Limits specified by selected standard
Margin (%) --The margin specified by selected standard parameters. The
margin value is (standard value - measured value) / standard value * 100%
Pass/Fail State -- Determine whether the measured value is passed or failed
according to selected standard. The rows in the table or the bars in the bar chart
are rendered in different colors based on pass / fail state. When the value is
greater than 85% of the limit but less than 100% of the limit, it is defined as a
critical state.
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Total Harmonic Distortion（THD）=
， where X
n
is the nth
harmonic, and X
1
is the basic component.
27.4 Inrush Current
A large current far greater than the stable current may flow through at the
moment of switching on a power supply. The large current is called inrush
current. The current waveform when switching on is shown in the figure below:
Signal Settings
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Touch Signal to recall signal settings dialog box:
A. Set the input voltage source
B. Set the input current source
C. Set the expected current value, the
range is 100 mA ~ 500 A. The
oscilloscope will set the trigger level
to expected current/20 and the
vertical scale of the current channel
to expected current/3.
D. Set the maximum effective input
voltage (Vrms), the range is 1 V ~ 1
kV. The oscilloscope will set the
vertical scale of the voltage channel
to maximum input voltage/6
E. View the connection guide
F. Return to previous menu
27.5 Switching Loss
Switch loss analysis can be used to calculate the power dissipated in the
switching period.
Deskew Calibration
A relatively small skew can cause a large measurement error of switching loss,
especially during the on phase when the voltage is close to zero and the non-
on phase when the current is close to zero. This is a typical oscilloscope
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dynamic range limitation when trying to measure weak voltage and (or) current
in the presence of relatively large switching voltage and (or) current.
To correct the skew between the oscilloscope channels or probes, the deskew
procedure should be performed once initially, and re-run when any part of the
hardware setup changes (for example, a different probe, different oscilloscope
channel, etc.) or when the ambient temperature changes. The deskew
procedures by using the DF2001A deskew fixture is as followed.
A. Demagnetize and zero-adjust the current probe
B. Set up connections to the DF2001A deskew fixture
Small Loop
Large Loop
Available current
probes
CP4020 (100 kHz,20
Arms)
CP4050 (1 MHz,50 Arms)
CP5150 (12 MHz,150
Arms)
CP5500 (5 MHz,500 Arms)
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CP4070 (150 kHz,70
Arms)
CP4070A (300 kHz,70
Arms)
CP5030 (50 MHz,30 Arms)
CP5030 (100 MHz,30
Arms)
High-voltage
differential probe
sense points
J7: signal terminal
J6: earth terminal
J3: signal terminal
J4: earth terminal
a. Connect D+ and D- of the high-voltage differential probe to J7 and
J6
b. Connect the current probe to the loop with the direction of the
arrow indicating the direction of the current flow
c. Make sure the switch S1 on the deskew fixture is set to the
appropriate side of the fixture (either “small loop” or “large loop”)
d. Connect the deskew fixture to a USB port on your oscilloscope or
a PC using a USB cable. The USB port supplies power to the
deskew fixture
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C. Connect the voltage and current probes to the oscilloscope input
channel
D. Touch Signal to enter the signal setting menu. Select the
corresponding input channel, and then touch Auto Deskew to perform
the calibration. When the process completes, a message will pop up
indicating whether the deskew operation was successful or not.
Before deskew calibration
After deskew calibration
Configuration
Touch Config to recall configuration dialog box:
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A. Set the voltage reference, i.e. the
switch level at the edge of the input
switch. This value is a percentage of
the maximum switching voltage.
Adjusting the value to ignore
background noise. This value is used
to determine the threshold hysteresis
of the switch edge
B. Set the current reference, i.e. the
switch level at the beginning of the
input switch edge. This value is the
percentage of the maximum
switching current. This value can be
adjusted to ignore background noise
or invalid offset that is difficult to
eliminate in the current probe. This
value is used to determine the
threshold hysteresis of the switch
edge
C. Set the conduction type (Waveform,
Rds(on) or Vce(sat))
D. Set Rds(on) resistance
E. Set Vce voltage
F. Return to previous menu
Conduction Type
Waveform -- The power waveform uses the original data, and the calculation
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formula is P = V * I，E = P * T.
Rds (on) -- In the on area (where the voltage level is lower than the voltage
reference (adjustable)), the power calculation formula is P = I
2
* Rds (on). In the
off area (where the current level is lower than the current reference (adjustable)),
the power calculation formula is P = 0 watt.
Vce (sat) -- In the on area (where the voltage level is lower than the voltage
reference (adjustable)), the power calculation formula is P = Vce (sat) * I. In the
off area (where the current level is lower than the current reference (adjustable)),
the power calculation formula is P = 0 watt.
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of switching loss,
as shown in the figure below. Please follow the instructions in this figure for
connection. Touch the icon on the top right of the guide to close.
27.6 Slew Rate
The slew rate measures the change rate of voltage or current during switching.
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Connection Guide
Touch Signal>Connection Guide to recall the connection guide of slew rate, as
shown in the figure below. Please follow the instructions in this figure for
connection. Touch the icon on the top right of the guide to close.
27.7 Modulation
Modulation analysis measures the control pulse signal of the switching device
(MOSFET), and observes the pulse width, duty, period, frequency and other
trends of the control pulse signal in response to different events.
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of modulation,
as shown in the figure below. Please follow the instructions in this figure for
connection. Touch the icon on the top right of the guide to close.
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27.8 Output Ripple
Power supply ripple is an important parameter to evaluate DC power supply,
which represents the quality of output DC voltage. Ripple analysis can measure
the current value, average value, minimum value, maximum value, standard
deviation and count of the power supply output ripple.
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of output ripple,
as shown in the figure below. Please follow the instructions in this figure for
connection. Touch the icon on the top right of the guide to close.
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27.9 Turn On/Turn Off
Turn on analysis determines the time taken for the power supply to reach 90%
of its steady state output. Turn off analysis determines the time taken for the
power supply to fall to 10% of its maximum output voltage.
Signal Settings
Touch Signal to recall signal settings dialog box:
A. Set the input voltage source
B. Set the output voltage source
C. Set the input type (AC or DC)
D. Set the duration, the range is 5 ns ~
20 s. The oscilloscope will set the
timebase according to the value
(duration / 10)
E. Set the maximum effective input
voltage Vrms, the range is 1 V ~ 1
kV. The oscilloscope will set the
vertical scale of the voltage channel
to maximum input voltage / 7 and the
trigger level to maximum input
voltage / 10.
F. Set the stable output voltage value,
the range is -30 V ~ 30 V. The
oscilloscope will set the vertical scale
of the output voltage channel to
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stable output voltage / 6
G. View the connection guide
H. Return to previous menu
Testing Conditions
Turn On -- Determines the time taken for the power on to reach a certain
percentage of its steady state output. The turning on time is between T2 and
T1, where:
T1 = When the input voltage first rises to a certain percentage (usually 10%) of
its maximum amplitude
T2 = When the output DC voltage rises to a certain percentage (usually 90%)
of its maximum amplitude
Turn Off -- Determines the time it taken for the power supply to be turned off to
fall to a certain percentage of its maximum output voltage. The turning off time
is between T2 and T1, where:
T1 = When the input voltage finally falls to a certain percentage (usually 10%)
of its maximum amplitude
T2 = When the output DC voltage finally falls to a certain percentage (usually
10%) of its maximum amplitude
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of turn on/turn
off, as shown in the figure below. Please follow the instructions in this figure for
connection. Touch the icon on the top right of the guide to close.
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27.10 Transient Response
Transient response analysis can determine the response speed of the output
voltage of the power supply to the change of the output load. This time starts
from the first time that the output voltage exits the stable band and ends at the
last time that the output voltage enters the stable band.
Signal Settings
Touch Signal to recall signal settings dialog box:
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A. Set the output voltage source
B. Set the output current source
C. Set the duration. The oscilloscope
will set the appropriate timebase
according to the duration
D. Set the stable output voltage, i.e. the
expected output DC voltage of the
power supply in stable state
E. Set the overshoot percentage of
output voltage, which can be used to
determine the stable band value of
transient response and adjust the
vertical scale of the oscilloscope
F. View the connection guide
G. Return to previous menu
Configuration
Touch Config to recall configuration dialog box:
A. Set the input low current value. This
is the expected low current value
before or after the load change
B. Set the input high current value. This
is the expected high current value
before or after the load change
C. Return to previous menu
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Note: low current value and high current value are used to calculate trigger
level and adjust the oscilloscope vertical scale. After the load changes, the
current value changes from low to high (or from high to low), and the
oscilloscope triggers and performs to measure the transient response stability
time.
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of transient
response, as shown in the figure below. Please follow the instructions in this
figure for connection. Touch the icon on the top right of the guide to close.
27.11 PSRR
Power supply rejection ratio (PSRR) test is used to determine how the regulator
suppresses ripple noise in different frequency ranges. The oscilloscope controls
the arbitrary waveform/function generation to output a sweep signal, which is
used to introduce ripple into the DC voltage transmitted to the voltage regulator.
Measure the AC RMS ratio of input to output, and plot the relationship between
the ratio and frequency. The background noise of the oscilloscope is higher
than that of the network analyzer, and the sensitivity is lower than that of the
network analyzer, so the PSRR measured by the oscilloscope is difficult to
exceed -60 dB. The PSRR test is generally acceptable for sampling the overall
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PSRR behavior of the power supply under test.
The configuration of PSRR is the same as that of bode plot, see the chapter "
Bode Plot" for details.
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of PSRR, as
shown in the figure below. Please follow the instructions in this figure for
connection. Touch the icon on the top right of the guide to close.
27.12 Power Efficiency
Power efficiency analysis can test the overall efficiency of the power supply by
measuring the output power and input power. This analysis is only supported
on 4-channel models, because all of the input voltage, input current, output
voltage and output current are necessary for the measurement.
Connection Guide
Touch Signal>Connection Guide to recall the connection guide of power
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efficiency, as shown in the figure below. Please follow the instructions in this
figure for connection. Touch the icon on the top right of the guide to close.
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28 Bode Plot
28.1 Overview
The SDS5000X supports an automatic bode plot function. This function
provides a frequency response curve of the device-under-test as well as the
interface for output sweep parameter control and data display settings. At this
time, either the SIGLENT SAG1021I arbitrary waveform generator or one of a
SIGLENT SDG series arbitrary function generators are supported. During the
sweep, the oscilloscope configures the generator output frequency and
amplitude and then compares the input signal to the output of the DUT. Gain
(G) and phase (P) are measured at each frequency and plotted on the
frequency response bode plot. When the loop response analysis is complete,
you can move the markers on the chart to see the gain and phase values
measured at each frequency point. You can also adjust the scale and offset
settings for the amplitude and phase plots.
Touch Analysis>Bode Plot to recall bode plot dialog box:
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A. Turn on/off the bode plot
B. Configure the bode plot (DUT, AWG
connection, sweep parameters)
C. Turn on/off the operation
D. Set display parameters. You can set the
coordinate axis of bode plot, trace
visibility display, and cursors of bode plot
E. Data list. Open the data list of bode plot
to view the curve data, or save the data
results to a U-disk or recall it from a U-
disk
F. Set the measurement parameters.
Parameter measurement of scanning
curve includes upper cut-off frequency
(UF), lower cut-off frequency (LF),
bandwidth (BW), gain margin (GM) and
phase margin (PM)
28.2 Configuration
28.2.1 Connection
A. DUT input and output channels
B. Channel gain. When it is set to Auto, the oscilloscope will
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automatically adapt the vertical scale according to the signal
amplitude; when it is set to Hold, it will always keep the vertical scale
before operation for testing
C. Arbitrary waveform generator connection settings. Touch Interface to
select the connection type. When selecting LAN, it needs to Set IP
and Save it. Touch Test to confirm whether the arbitrary waveform
generator is connected correctly.
28.2.2 Sweep
Touch Sweep Type to select the sweep type. There are two types: simple and
variable level.
A. Set the sweep type to simple
B. Set the sweep frequency. The frequency mode can be linear or
decade. When it is set to linear, the corresponding center frequency
and span frequency need to be set; when it is set to decade, the
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corresponding start frequency and stop frequency need to be set
C. Set the number of sweep points. The larger the number of points, the
higher the sweep resolution
D. Set the amplitude of sweep signal
E. Set the offset of sweep signal
F. Set the signal amplitude unit. When it is set to dB, reference level and
load need to be set
G. Set the load
A. Set the sweep type to Vari-Level
B. Select a profile. Up to 4 profiles can be edited
C. Set the frequency mode
D. Set the number of sweep points
E. Set the offset of sweep signal
F. Set the signal amplitude unit. When it is set to dB, reference level and
load need to be set
G. Variable level signal display area
H. Touch Edit to turn on the profile editor
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Touch Nodes to set the signal node number through the universal knob, or
touch ▲ to increase the nodes and ▼ to decrease.
Touch the cell in the table area to set the frequency and amplitude of the
corresponding node. Touch to activate the cell, adjust the value through the
universal knob, or touch the cell again to call up the virtual keypad for setting.
28.3 Display
Bode plot display settings include: amplitude, phase, cursors and trace visibility.
Amplitude
Set the amplitude coordinate axis of bode plot. Touch Display>Amplitude to
recall the amplitude setting dialog box:
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A. Set the scale of the amplitude coordinate
axis
B. Set the reference level, the max value of
the amplitude coordinate axis
C. Set the amplitude mode. Set to Vout to
display the amplitude value of the output
signal; set to Vout/Vin to display the
amplitude ratio of the output signal to the
input signal
D. When the mode is Vout, it needs to set
the unit (Vpp, Vrms, dBV, dBu, dBm or
Arbitrary dB); when the mode is Vout/Vin,
it needs to set the amplitude axis type
(Linear or Logarithmic).
E. Auto Set. According to the output signal
amplitude curve, the oscilloscope
automatically sets the scale and
reference level
F. Return to previous menu
Phase
Set the phase coordinate axis of bode plot. Touch Display>Phase to recall the
phase setting dialog box:
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A. Set the scale of the phase coordinate
axis
B. Set the reference level, the max value of
the phase coordinate axis
C. Set the phase unit (Degree or Rad)
D. Auto Set. According to the output signal
phase curve, the oscilloscope
automatically sets the scale and
reference level
E. Return to previous menu
Cursors
SDS5000X can use the cursor to measure the bode plot curve. The cursor of
bode plot is similar to the ordinary cursor, see the chapter "Cursors" for details.
Touch Display>Cursors to recall the cursor setting dialog box.
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A. Turn on/off the cursors of bode plot
B. Set the cursors type (X or Y)
C. Specify the cursor and set the position
(by gestures, universal knob, or virtual
keypad)
D. Set the source 1
E. Set the source 2
F. Return to previous menu
Trace Visibility
When multiple output signals are connected, the bode plot interface will display
the amplitude and phase curves of all output signals at the same time. Users
can turn on/off other scanning curves to observe the details of specific curves.
Touch Display>Trace Visibility to recall the setting dialog box.
28.4 Data Analysis
With the data list, cursor measurement and automatic measurement functions,
the bode plot curve can be analyzed in detail. The data list provides the
information of each scanning point. The cursors can be used to flexibly measure
the change of each position of the curve. The automatic measurement function
can be used to measure the five parameters of the bode plot curve: upper cut-
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off frequency (UF), lower cut-off frequency (LF), bandwidth (BW), gain margin
(GM), phase margin (PM).
A. Data list display area
B. Cursors
C. Data point location line
D. Cursor information display area
E. Measurement parameters display area
F. Bode plot dialog box
Data List
Touch Data to recall the data setting dialog box:
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A. Turn on/off the data list
B. Set the selected row in the list. Adjust the
universal knob to set, or directly touch the
list display area to select a specific line.
C. Set the data source
D. Save/Recall the data. Saving and
recalling bode plot data (*.csv) is similar
to the operation of setup files, see the
chapter "Save/Recall" for details
E. Return to previous menu
Measure
Touch Measure to recall the measure setting dialog box:
A. Set the position of measurement items, and support 5 measurement
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items at most
B. Set the measurement source
C. Measurement parameter area. Touch each parameter area to
activate the measurement parameter. In the figure above, "UF" is
activated.
D. Clear all measurements
E. Clear the current measurement
F. Close the measurement configuration window
For example, to add UF measurements for C2 and GM measurements for C3,
follow the steps below:
Measure>Position>Source>UF
Measure>Position>Source>GM
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29 Display
Display settings include display type of waveform, color, persistence, grid type,
trace brightness, graticule brightness etc.
Press the Display/Persist button, or touch the menu Display>Menu to recall the
display dialog box.
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A. Switch the waveform display type to
Vectors (line display) or Dots
B. Turn on or off color grade
C. Set persist
D. Clear persist
E. Clear display. The operation clears all
waveforms displaying on the screen
and clear persist
F. Set menu auto hide time
G. Set the menu style to Embedded or
Floating. When set to Embedded, the
grid area will be compressed
horizontally to display the complete
waveform when the dialog box is
displayed. When set to Floating, it will
directly cover part of the grid area
when the dialog box is displayed
H. Select the grid type (Full Grid, Light
Grid and No Grid)
I. Set the trace intensity (0~100%),
Backlight (0~100%) and graticule
brightness (0~100%)
J. Set color of waveform
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Display Type
There is no difference between the vector and dot display types when the
number of samples of a frame is greater than 1000.When the sample number
is below 1000, there are some differences.
Vectors: The samples are connected by lines (i.e. interpolated) and
displayed. The interpolation methods include linear interpolation and
sin(x)/x interpolation. See the section of " Acquisition Setup" for details of
interpolation.
Dots: Displays the raw samples directly.
Vector Display
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Dot Display
Note: In the Run state, due to the high waveform update rate of the oscilloscope,
the waveform displayed is the superposition of multiple frames. Therefore, what
is seen using the dots display is not the discrete sampling points, but the display
effect similar to equivalent sampling. Stop the acquisition to view the original
samples of each frame separately.
Dots display in Run state
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Color Grade
Color grade uses color temperature to map the probability of the waveforms.
The greater the probability that the waveform appears in a pixel, the warmer
the color of the pixel. The smaller probability, the colder the color temperature
of that pixel.
The picture below shows the change of color from cold to warm.
Color grade On
Color grade Off
Set Persist
With persistence, the oscilloscope updates the display with new acquisitions
but does not erase the results of previous acquisitions in specified period. All
previous acquisitions are displayed with reduced intensity. New acquisitions are
shown in their normal color with normal intensity. In combination with
SDS5000X's high waveform update rate and persist function, in some cases
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anomalies in the waveform can be found in short time without complex trigger
settings to improve test efficiency. Below is an example to display glitches in a
data sequence with infinite persistence.
When the display dialog box and persist are off, double pressing the
Display/Persist button on the front panel can quickly turn on persist.
Touch Persist in the display dialog box to set the persistence time.
Off: Turn off persist.
Variable persist time (1s, 5s, 10s, 30s): Choose different persist
times. The oscilloscope updates with the new acquired waveform
display. Acquired waveforms will be cleared after the corresponding
time has expired.
Infinite: Select “Infinite”, previous acquisitions will never be erased
until a Clear Display or Clear Sweeps operation is performed.
Set Grid
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M1:Display 8*10 grid
M2:Display 2*2 grid
M3:Display without grid
M1 Mode
M2 Mode
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M3 Mode
Color Setting
Color setting supports user-defined trace colors. Touch the color rectangle box
to set in the pop-up palette page. Touch Default area to restore the default color
for all channels.
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Select a color directly on the palette and preview its hue, saturation, light, and
RGB values or directly modify the color parameters to customize the color. After
the change, touch OK to confirm.
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30 Arbitrary Waveform Generator
30.1 Overview
The SDS5000X supports arbitrary waveform/function generation by
incorporating an external USB Arbitrary Waveform Generator accessary
combined with the software activation using option SDS-5000X-FG.
The AWG functions include:
6 basic waveforms: Sine, Square, Ramp, Pulse, Noise and DC
45 built-in and 2 custom arbitrary waveforms
Output frequency up to 25 MHz
-3 V ~ +3 V output amplitude range
±42 Vpk insulation voltage (for SAG1021I only)
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Refer to the data sheet for the detailed specifications of the AWG.
SAG1021I Function/Arbitrary Waveform Generator Module
The SAG1021I function/arbitrary
wave generator module is capable of
generating variant waveforms with
frequencies up to 25 MHz and
amplitudes up to ±3 V. Its output
terminals are isolated from the
ground of the oscilloscope. Users
can edit and import arbitrary
waveforms using the SIGLENT
EasyWave software or import edited
waveforms through a U-disk.
Hardware Connection: Connect the SAG1021I to any USB host port of
SDS5000X using a standard USB cable.
SDS-5000X-FG Option
For the installation of the SDS-5000X-FG option, please refer to the section "
Install Option".
The oscilloscope interface will prompt "AWG device detected" after the
hardware connection with the SAG1021I is established. Press the WaveGen
button on the front panel, or touch the menu Utility>AWG Menu to recall the
AWG dialog box.
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A. Turn on/off the output of AWG
B. Select the waveform type (Sine, Square,
Ramp, Pulse, Noise, DC and Arb)
C. Set the frequency
D. Set the amplitude
E. Set the offset
F. Other AWG settings: output load,
overvoltage protection and so on.
G. SAG1021I system information and
firmware upgrade
30.2 Output
For safety, pressing the Wave Gen button does not automatically turn on the
output of AWG. To turn on the output, touch Output in the AWG dialog box after
pressing Wave Gen. When the output is enabled, the Wave Gen button lights
up.
30.3 Wave Type
The AWG function provides six standard waveforms and multiple arbitrary
waveforms. The standard waveforms are Sine, Square, Ramp, Pulse, Noise
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and DC.
The following table shows all waveform types and corresponding parameters.
Wave
Type
Parameters
Sine
Frequency, Amplitude, Offset
Square
Frequency, Amplitude, Offset, Duty
Ramp
Frequency, Amplitude, Offset, Symmetry
Pulse
Frequency, Amplitude, Offset, Duty
DC
Offset
Noise
Stdev, Mean
Arb
Frequency, Amplitude, Offset, Arb Type
The Arbitrary waveforms consists of two types: built-in waveforms and stored
waveforms. Touch Arb Type in the AWG dialog box, and select the arbitrary in
the pop-up window:
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There are 6 tabs in the window. Under each tab a catalog of waveforms are
listed. Built-in waveforms are stored in Common, Math, Engine, Window, and
Trigo. Stored waveforms are located in the Stored menu.
Users can edit arbitrary waveforms using SIGLENT EasyWave PC software,
and send the stored waveforms to the instrument through the remote interface,
or import the stored waveforms through a U disk.
30.4 Other Setting
Touch Setting in the AWG dialog box to recall
"Other Setting" dialog box:
A. Select the output load
B. Turn on/off the OVP (Over Voltage
Protection)
C. Turn on/off the sync output
D. Do zero adjust
E. Set to default
F. Return to previous menu
Output Load
The selected output load value must match the load impedance. Otherwise, the
amplitude and offset of the output waveform of AWG will be incorrect.
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OVP
When OVP is enabled, the output will be turned off automatically once the
protection condition is met. The protection condition is when the absolute value
on the output port is higher than 4V±0.5V). At the same time, a warning
message is displayed.
Sync Output
When the Sync Output is turned on, the Aux In/Out port of AWG outputs a
CMOS signal with the same frequency as the basic waveform (except Noise
and DC) and arbitrary waveform. The maximum supported frequency is 10MHz.
Zero Adjust
The output zero error of the AWG can be calibrated by using auto mode or
manual mode. The object of the Zero Adjust is: when AWG outputs 0V DC
signal, the measured mean value of the corresponding channel is within±1mV.
Auto Steps: In this mode the adjustment can only be performed with CH1
of the oscilloscope. Connect the output of AWG to CH1 of the oscilloscope,
press Auto, and the AWG will starts to automatic adjust. The scope will
display “Zero adjust completed!” when the adjustment is done.
Manual Steps: The AWG can be manually calibrated through any channel
on the oscilloscope. Take CH2 as an example:
1. Connect the output of AWG to CH2, open CH2, set it to DC coupling,
turn on bandwidth limit, and set the probe attenuation to 1X.
2. Set the vertical scale of CH2 to a small scale such as 1mV/div. Turn
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on measure and set the parameter to Mean of CH2.
3. Press Manual and rotate the universal knob to adjust the compensation
value, until the mean value of CH2 is within ±1mV, and then press Save.
30.5 System
Device Info – includes Model, Serial Number, Firmware Version and Hardware
Version of the AWG module.
Upgrade
The firmware here refers to the firmware of the SAG1021I module. The
SDS5000X supports firmware and configuration file upgrades for the SAG1021I
via a U disk. Follow the steps below:
1. Copy the upgrade file (*.ADS) to the U disk.
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2. Insert the U disk to one of the USB host ports of the oscilloscope.
3. Touch Browse… to select the path of the upgrade file. See the chapter
"Save/Recall" for the detailed operation.
4. Touch Upgrade to start the upgrade progress. A progress bar shows
the percentage finished.
5. After the upgrade, the SAG1021I will be removed from the system, and
the oscilloscope prompts "Upgrade completed. Please reconnect the
AWG device."
6. Enter System dialog box again to check if the upgraded hardware
version number is consistent with the target version.
Warning：Don't cut off the power during the upgrade！
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31 Save/Recall
The SDS5000X supports saving setups, reference waveforms, screen shots,
and waveform data files to internal storage or external USB storage devices
(e.g. U disk).Saved setups and reference waveforms can be recalled as needed.
31.1 Save Type
SDS5000X supports save types: Setup, Reference, Image (*.bmp/*.jpg/*.png),
Waveform Data (binary/csv/matlab), and Bin2CSV tool. It also supports saving
the current setup as default setting.
Here are brief descriptions of save types:
Setup
The default save type of the oscilloscope. The setup is saved into internal or
external memory with the *.xml file extension. Up to 10 setup files can be stored
in the internal memory (No.1 ~ No.10).
Reference
The reference waveform data are saved to external memory with the *.ref file
extension. The saved file contains the reference waveform data and its setup
information such as the vertical scale, vertical position and timebase.
BMP
Saves the screen shot to external memory in *.bmp format.
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JPG
Saves the screen shot to external memory in *.jpg format.
PNG
Saves the screen shot to external memory in *.png format.
Binary Data
Saves the waveform data to external memory in binary (*.bin) format.
CSV Data
Saves the waveform data to the external memory in ".csv" format. After
selecting this type, you can touch the ParaSwitch to determine to include the
scope configuration parameter information (horizontal timebase, vertical scale,
etc.) or not. Touch the Save All Channel to save all displayed waveforms on the
screen or select the Source to save. The available sources include C1 ~ C4
and F1 ~ F2 (except for FFT).
Matlab Data
Saves the waveform data to external memory in *.mat format which can be
imported by Matlab directly. The available sources include C1 ~ C4 and F1 ~
F2 (except for FFT).
To Default Key
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The oscilloscope provides two options for the default setting. When the Default
Type is set to “Factory”, the factory default setting will be recalled by pressing
the Default button on the front panel; When the Default Type is set to “Current”,
the last setting saved by the “To Default Key” operation will be recalled by
pressing the Default button on the front panel.
Bin2CSV Tool
The mini tool is used to convert stored binary files to CSV format for viewing
with a spreadsheet program. This is ideal when collecting large datasets. For a
waveform frame with deep memory such as 250 Mpts, to save directly as a
CSV file will take long time and will occupy a large amount of memory on a USB
storage device. It’s recommended to save the data as binary file and then
convert it to CSV file on a computer.
The following table show the relationship between the save types and
save/recall operations.
Type
Save to
Internal
Save to
External
Recall
Setup
√
√
√
Reference
×
√
√
BMP
×
√
×
JPG
×
√
×
PNG
×
√
×
Binary Data
×
√
×
CSV Data
×
√
×
Matlab Data
×
√
×
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31.2 Internal Save and Recall
"Setup" can be saved/recalled to/from the internal memory. In this section the
save/recall operations of Setup is introduced.
Save oscilloscope setup to internal memory
Follow the steps below:
A. Select Mode as "Save"
B. Select Type as "Setup"
C. Select Save Path as "Internal"
D. Select No. of internal storage locations,
1~10 optional.
E. Touch Save to perform the save operation
A progress bar is shown when the Save operation is in progress. When it is
done, the oscilloscope prompts "Saved to internal file No.X", where X is the
internal storage location index selected in the step .
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Recall oscilloscope setup from internal memory
Follow the steps below:
A. Select Mode as "Recall"
B. Select Type as "Setup"
C. Select Recall Path as "Internal"
D. Select No. of internal storage locations,
1~10 optional
E. Touch Recall to perform the recall
operation
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31.3 External Save and Recall
Before performing an external save or recall, make
sure the USB storage device is connected
correctly.
A. Select Save Path as "External"
B. Touch the File Manager and open the file
manager. If the U disk is not properly
connected, the system will prompt "USB
flash drive not detected!"
31.3.1 File manager
The SDS5000X's file manager has similar style and operation with the Windows
operating systems.
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A. Left window
B. Right window
C. Tool bar
D. Save/Recall command bar
E. Close the file manager
Left window: Displays a list of available drives and internal folders.
The selected folder has an icon with blue background.
The triangle tag on the left of the folder indicates that the folder includes
subfolder(s). Clicking the tag expands the folder to show the
subfolder(s) in the left window.
Right window: Displays the files and the subfolders contained in the selected
folder.
Tool bar: Graphical commands for file operations.
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File Type: Specify the file type to display, including All (all types),
*.xml,*.ref,*.bmp,*.jpg,*.png,*.csv,*.dat,*.bin, *msk, *smsk
View Type: Contains two modes of "Detail" and "Icon
Detail View Type
Icon View Type
Root Dir: Jump to root directory quickly
Up Level: Return to upper level folder
Reload: Refresh file manager view
New Dir: Create a new folder under the current path
Rename: Rename the selected file or folder
Delete: Delete the selected file or folder
Save/Recall command bar – Execute the Save/Recall command
Save As: Save as the filename specified by the user. Visible when the
mode is "Save"
Save: Save as system default file name. Visible when the mode is
"Save"
Recall: Recall the specified file. Visible when the mode is "Recall"
31.3.2 External Save and Recall Instance
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Save the screen shot to the path “Udisk0\sds5kx\” in the format of BMP
First, Insert the U disk.
Secondly, set the parameters of the Save operation:
Select Mode as "Save"
Select Type as "BMP"
Select the Image Style. "Normal" saves images
with the same color of the display; "Inverted" saves
images with white background color for ink-saving
print
Touch File Manager to open the file manager
Third, select the \Udisk0\sds5kx\directory in the file manager:
Fourth, touch Save As, click the pop-up text box to recall the virtual keyboard
and input the file name, and then touch OK:
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Once saved, the new BMP file is visible in the file manager:
In step 4, if Save is selected instead of Save As, the system saves the file as
the default file name sds5000x_n.bmp, where n is an integer incrementing from
1. The default save path is \SIGLENT\.
Note: Pressing the Print button on the front panel quickly saves a screen shot
to the U disk.
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Recall the setup file "uart_decode.xml" stored in path “Udisk0\sds5kx\”
First, insert the U disk with the file "uart_decode.xml" stored folder “\sds5kx\”.
Second, set the parameters of the Recall operation:
Select Mode as "Recall"
Select Type as "Setup"
Select Recall Path as "External"
Touch File Manager to open the file manager
Third, select the \Udisk0\sds5kx\directory in the file manager, and then select
the setup file "uart_decode.xml"
Fourth, touch Recall and wait for the oscilloscope to finish recalling the setup.
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32 System Setting
Most of the system setting can be found in the Utility dialog box, such as
system status, language, sound, self-calibration, firmware upgrading.
32.1 System Status
Operate Utility>System Setting>System Status to check the system status.
System information includes the contents shown below.
32.2 Sound
Perform Utility>System Setting>Sound to enable or disable the audible buzzer.
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：Indicates the buzzer is on.
：Indicates the buzzer is off.
32.3 Upgrade Software
The firmware is upgradeable through external USB memory devices/U disk.
Make sure the U disk contains the correct upgrade file (*.ads) is connected to
the oscilloscope before performing the upgrade.
Operate Utility>System Setting>Upgrade to recall the upgrade dialog box:
Click Browse to open the file manager, select the correct upgrade file and click
OK:
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Click Upgrade in the upgrade dialog box to start the upgrade. The oscilloscope
first copies the upgrade file (*.ads) to the local memory and parses it. If the
parse succeeds, it will show the following dialog. Users can choose Cancel to
cancel the upgrade, or Reboot to restart the oscilloscope immediately and
continue the upgrade. Otherwise the oscilloscope will restart automatically to
finish the upgrade.
After the reboot, check if version number in " System Status".
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Warning: Do Not turn off the power during upgrading. Otherwise, the
oscilloscope may not boot up any more!
32.4 Language
The SDS5000X supports multiple languages, including: Simplified Chinese,
Traditional Chinese, English, French, Japanese, German, Spanish, Russian,
Italian, Portuguese, and so on.
Operate Utility>System Setting>Language, and select the language in the list.
32.5 Screen Saver
Screen saver will be activated if the oscilloscope has not be operated for a
period. At this time the backlight of the display is cut off to save power
consumption.
Operate Utility>System Setting>Screen Saver to specify the period before
screen saver, or select "Off" to disable the screen saver.
Any action from the mouse, touch screen or front panel can disable the screen
saver.
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32.6 I/O Setting
32.6.1 LAN
Operate the following steps to set the LAN port:
Perform Utility>System Setting>I/O Setting>LAN Config to open the LAN
Config dialog box.
A. Check Automatic (DHCP) to
enable dynamic IP. In this case
the oscilloscope must be
connected to the local area
network with a DHCP server.
Contact your network
administrator to confirm the
relevant information.
B. When is not checked, the
oscilloscope uses static IP. Set
the static IP address, subnet
mask, and gateway separately.
C. When accessing more than two
SIGLENT instruments through the
web browser, it is necessary to
set a different VNC port number
for each instrument. The range is
from 5900 to 5999.
D. MAC address of the oscilloscope,
read only.
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32.6.2 Clock Source
The SDS5000X supports internal and external clock sources. When an external
clock source is used, the 10 MHz reference clock output of another instrument
can be used to achieve clock synchronization between two instruments.
Operate the following steps to set the clock source:
Utility>System Setting>I/O Setting>Clock Source.
A. Select the clock source as "Inner" or "Ext"
B. Turn on or off the 10 MHz output. The
option is only valid when the clock source
is "Inner". Turn on the 10 MHz output and
the SDS5000X can be used as a clock
source of other instruments.
C. Return to previous menu.
32.6.3 Web Server
The SDS5000X supports the web server function, you can access and control
the oscilloscope using a web browser. See the section "Web Browser" for
details about remote control.
Perform Utility>System Setting>I/O Setting>Web Server to set the password
to control the instrument. The password length is limited to 20 bytes.
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32.7 Date/Time
The SDS5000X has a RTC clock, which helps to record absolute time
information for screen shots, history frames and so on.
Operate Utility>System Setting> Date/Time to open the Date/Time dialog box:
Touch the text box of Hour, Minute, Second, Day, Month and Year to edit these
fields. Touch the Modify button to perform the change.
32.8 Install Options
The SDS5000X provides a few options to enhance its functionality. Contact
your local SIGLENT sales representative or SIGLENT technical support to get
the corresponding option key. Perform the following steps to install the option:
Utility>Options
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A. Option information display area. When the option is not activated, the
license type is displayed as "Temporary" and can be tried up to 30
times.
B. Select the option to install.
C. The option key input area, touch or click the text box and enter the key
by the virtual keyboard.
D. Clear the characters in the key input area.
E. After entering the option key, click Install to perform the installation.
F. Use the U-disk to automatically install the option, the license must be
stored in the root directory of the U-disk.
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32.9 Reference Position Setting
The reference position is used to set the strategy of scaling on the horizontal
and vertical axes, adapting different requirements.
Operate Utility>Reference Pos to open the dialog box, and choose the strategy
for the offset value change in the vertical (or horizontal) direction when the
vertical (or horizontal) scale is changed.
Horizontal Ref
Fixed Delay: When the timebase is changed, the horizontal delay
value remains fixed. As the horizontal timebase scale is changed, the
waveform expands/contracts around the center of the display
Fixed Position: When the timebase is changed, the horizontal delay
remains fixed to the grid position on the display. As the horizontal
timebase scale is changed, the waveform expands/contracts around
the position of the horizontal display.
Vertical Ref
Fixed Offset: When the vertical scale is changed, the vertical offset
remains fixed. As the vertical scale is changed, the waveform
expands/contracts around the main X axis of the display
Fixed Position: When the vertical scale is changed, the vertical offset
remains fixed to the grid position on the display. As the vertical scale
is changed, the waveform expands/contracts around the position of the
vertical ground position on display.
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Take Horizontal Ref as an example to demonstrate the scaling effect of different
settings:
Timebase=10ns/div，Horizontal Delay=-20ns=-2div
Fixed position, timebase is changed to 5ns/div, the grid number of delay (-2div)
remains fixed, while the horizontal delay changes to -10ns
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Fixed delay, timebase is changed to 5ns/div, the horizontal delay value remains
fixed, while the grid number of delay changes to -4div
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32.10 Perform Self-Test
The Self tests includes screen test, keyboard test and LED test. It is used to
check whether the oscilloscope has any electrical or mechanical problems on
the user interface such as color distortion, sensitivity of buttons and knobs.
Screen Test
The screen test is used to find out whether the oscilloscope display has serious
color distortion, bad pixels or screen scratches. Perform Utility>Do Self-
Test>Screen Test, and the oscilloscope will enter the screen test interface as
shown below. The screen displays in blue at first.
Press the "Single" button to switch to red and green display mode. Observe
whether there is any color distortion, bad pixel or scratch on the screen.
Press the "Run/Stop" button to exit the screen test mode.
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Keyboard Test
The keyboard test is used to check whether the oscilloscope front panel buttons
or knobs are responsive or sensitive. Perform Utility>Do Self-Test>Keyboard
Test to recall the following interface:
Knob test: Turn each knob clockwise, counter-clockwise, and press down.
Observe whether the value on the corresponding knob (default 0) on the screen
increases or decreases in real time and whether the knob lights up when it is
pressed.
Button test: Press each button and check whether the corresponding button
icon on the screen lights up in real time.
Press the "Run/Stop" button three times to exit the keyboard test.
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LED Test
The LED test is used to check whether the button backlight on the front panel
is functional. Operate Utility>Do Self-Test >LED Test to recall the following
interface:
Press the "Single" button and the first LED on the front panel will light. The
corresponding position of the key on the screen will also change color. Press
the "Single" button to check the next button. Press the "Single" button
consecutively until all the backlights are tested.
Press the "Run/Stop" button to exit the LED test.
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32.11 Do Self Cal
The self-calibration program can quickly calibrate the oscilloscope to reach the
best working state and the most precise measurement. It is recommended to
perform a self-calibration if the change of ambient temperature is more than
5 ℃.
Note: Make sure the oscilloscope has been warmed up or operated for more
than 30 minutes before the self-calibration.
Please do the self-calibration as follows:
1. Disconnect everything from all inputs.
2. Operate Utility>Do Self Cal, and it will pop up the following dialog.
Select Continue to start the self-cal program.
3. The oscilloscope will not response to any operate until the self-cal is
finished. After the self-cal is completed, touch the screen or press any
button to exit.
4.
33 Remote Control
The SDS5000X provides a LAN port and a USB Device port which can be used
for remote control in multiple ways.
33.1 Web Browser
A built-in web server provides an approach to visit the oscilloscope by web
browser. It doesn’t require any additional software to be installed in the
computer. Set the LAN port correctly (see section “ LAN” for details), input the
IP address of the oscilloscope in the browser address bar, and then the user
can browse and control the oscilloscope in the web.
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A. Input the IP address of the instrument
B. Information of the instrument
C. Click here to recall the instrument control interface
Below is the instrument control interface:
A. Display and control area of the instrument. The display in this area is
a copy from the instrument display. Using the mouse to operate in the
area is equivalent to directly operating the touch screen display of the
instrument.
B. Click here to perform a screen shot
C. Click here to save the waveform data as a bin file and download it to
the local computer
D. Click here to download the mini tool for converting bin file to csv file
E. Click here to perform a firmware upgrade
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33.2 Other Connectivity
The SDS5000X also supports remote control of the instrument by sending SCPI
commands via NI-VISA, Telnet, or Socket. For more information, refer to the
programming guide of this product.
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34 Troubleshooting
The commonly encountered failures and their solutions are listed below. When
you encounter those problems, please solve them following the corresponding
steps. If the problem remains still, please contact SIGLENT as soon as possible.
1. The screen is still dark (no display) after power on:
1) Check whether the power is correctly connected.
2) Check whether the power switch is really on.
3) Check whether the fuse is burned out. If the fuse needs to be
changed, please contact SIGLENT timely and return the instrument
to the factory for replacement by the maintenance personnel
authorized by SIGLENT.
4) Restart the instrument after finishing the above inspections.
5) If it still does not work correctly, please contact SIGLENT.
2. The signal is sampled but no waveform of the signal is displayed:
1) Check whether the probe is correctly connected to the signal
connecting wire.
2) Check whether the signal connecting wire is correctly connected to
the BNC (namely channel connector).
3) Check whether the probe is correctly connected to the item to be
tested.
4) Check whether there are signals generated from the item to be
tested.
5) Resample the signal.
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3. The tested voltage amplitude is greater or lower than the actual value
(Note that this problem usually occurs when probe is used):
1) Check whether the attenuation coefficient of the channel complies
with the attenuation ratio of the physical probe.
2) Disconnect the oscilloscope from the external signal and do a self-
cal.
4. There is waveform display but not stable:
1) Check the trigger signal source: check whether the source item at
the trigger panel complies with the signal channel actually used.
2) Check whether it is a "false wave”: when the signal frequency is
very large (more than half of the sample rate), it is easy to appear
a "false wave". At this point, a small time base should be set to
make the sample rate more than 2 times of the signal frequency.
3) Check the trigger type: general signals should use “Edge” trigger
and video signal should use “Video” trigger. Only when the proper
trigger type is used, can the waveform be displayed stably.
4) Change the trigger holdoff setting.
5. No display after pressing Run/Stop:
Check whether the mode at the trigger panel (TRIGGER) is on “Normal”
or “Single” and whether the trigger level exceeds the waveform range.
If yes, set the trigger level to the middle or set the mode to “Auto”.
Note: Using Auto could automatically finish the above setting.
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6. Touch screen does not respond to touch operation:
1) Check whether the Touch button backlight on the front panel is
lighted up. If not, the touch screen is not turned on. Press the button
to enable the touch screen
2) Restart the instrument.
7. The USB storage device cannot be recognized:
1) Check whether the USB storage device can work normally.
2) Make sure whether the USB interface can work normally.
3) Make sure that the USB storage device being used is flash storage
type. This oscilloscope does not support hardware storage type.
4) Make sure that the U disk system format is FAT32.
5) Restart the instrument and then insert the USB storage device to
check it.
6) If the USB storage device still cannot be used normally, please
contact SIGLENT.
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35 Contact SIGLENT
America
SIGLENT Technologies NA, Inc
6557 Cochran Rd Solon, Ohio 44139
Tel: 440-398-5800
Toll Free:877-515-5551
Fax: 440-399-1211
info@siglent.com
www.siglentna.com
Headquarters
SIGLENT TECHNOLOGIES CO., LTD.
Blog No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District, Shenzhen,
518101, China.
Tel:+ 86 755 3688 7876
Fax:+ 86 755 3359 1582
market@siglent.com
www.siglent.com/ens
Europe
SIGLENT TECHNOLOGIES EUROPE GmbH
Liebigstrasse 2-20, Gebaeude 14, 22113 Hamburg Germany
Tel: +49(0)40-819-95946
Fax: +49(0)40-819-95947
info-eu@siglent.com
www.siglenteu.com
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