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32
Horizontal system
Horizontal position range (trigger offset range) max. +(memory depth/current sampling rate)
min. –5000 s
Modes normal
Channel-to-channel skew between analog channels < 100 ps (meas.)
between digital channels < 500 ps (meas.)
Timebase accuracy
after delivery/calibration, at +23 °C ±0.2 ppm
during calibration interval ±1 ppm
Delta time accuracy
corresponds to time error between two edges on
same acquisition and channel; signal amplitude
greater than 5 divisions, measurement threshold
set to 50 %, vertical gain 10 mV/div or greater;
rise time lower than four sample periods; wave-
form acquired in real-time mode
±(0.20/real-time sampling rate + timebase
accuracy × |reading|) (peak) (meas.)
Acquisition system
Sampling rate analog channels (real time)
max. 5 Gsample/s on 2 channels,
max. 2.5 Gsample/s on 4 channels
analog channels (interpolated) max. 5 Tsample/s
digital channels max. 5 Gsample/s on each channel
Waveform acquisition rate max.
> 4 500 000 waveforms/s
Trigger rearm time min. < 21 ns
Memory depth
4)
standard
400 Mpoints with 4 active channel (single),
400 Mpoints with 2 active channel (run)
R&S®MXO4-B108 option
800 Mpoints with 2 active channel (single),
800 Mpoints with 1 active channel (run)
Acquisition modes sample middle sample in decimation interval
peak detect largest and smallest sample in decimation interval
average average value of samples in decimation interval
number of averaged waveforms
2 to 16 777 215
envelope envelope of acquired waveforms
Sampling modes real-time mode max. sampling rate set by digitizer
interpolated time
enhancement of sampling resolution by interpola-
tion; max. equivalent sampling rate is 5 Tsample/s
Interpolation modes
linear, sin(x)/x, sample & hold
Fast segmentation mode continuous recording of waveforms in acquisition memory without interruption due to visualization
max. real-time waveform acquisition rate
> 4 600 000 waveforms/s
min. blind time between consecutive
acquisitions
< 21 ns
High definition mode
General description
The high definition mode increases the numeric resolution of the waveform signal by using digital
filtering, leading to reduced noise. Because of the digital trigger concept of the R&S®MXO4, signals
with increased numeric resolution are used as the input for triggering.
Numeric resolution bandwidth, at 5 Gsample/s bit resolution
1 kHz to 10 MHz 18 bit
100 MHz 16 bit
200 MHz 15 bit
500 MHz 14 bit
Real-time sampling rate all models
max. 5 Gsample/s on 2 channels,
max. 2.5 Gsample/s on 4 channels
Trigger system
Trigger sources
analog channels (C1 to C4),
digital channel (D0 to D15),
trigger in, line trigger, serial bus
Trigger level range range ±5 div from center of screen
Trigger modes auto, normal, single, n single
Trigger sensitivity
10
–4
div, from DC to instrument bandwidth for all
vertical scales
4)
The maximum available memory depth depends on the bit depth of the acquired data and, therefore, on the settings of the acquisition system, such as decimation
mode, waveform arithmetic or high definition mode.
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