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RIGOL Chapter 5 To Trigger the Oscilloscope
5-20 MSO2000A/DS2000A User’s Guide
Slope Trigger
Trigger on the positive or negative slope which satisfies the specif ied condition.
Trigger Type:
Press Type, rotate to select “Slope” and press down . At this point, the
trigger setting information is displayed at the upper right corner of the screen. For
example,
. The trigger type is slope trigger; the trigger source is
CH1; the difference between the upper limit of trigger level and the lower limit of
trigger level is 1.24 V.
Source Selection:
Press Source to switch the signal source list between CH1 and CH2. For the details,
please refer to the introduction in “
Trigger Source”. The current trigger source is
displayed at the upper right corner of the screen.
Note: Select channel with signal input as trigger source to obtain stable trigger.
Slope Condition:
In this oscilloscope, positive slope time is defined as the time difference between the
two crossing points of trigger level line A and B with the rising edge; negative slope
time is def ined as the time difference between the two crossing points of trigger level
line A and B with the falling edge as shown in the figure below.
Figure 5-6 Positive Slope Time/ Negative Slope Time
Press When to select the desired slope condition.
: trigger when the positive slope time of the input signal is greater than
the specified time.
: trigger when the positive slope time of the input signal is lower than the
specif ied time.
: trigger when the positive slope time of the input signal is greater than
the specif ied lower limit of time and lower than the specified upper limit of time.
Up Level
Low Level
A
B
Positive Slope Time
Negative Slope Time
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