Setup/Hold Trigger - Rigol DHO924S User Manual

Digital oscilloscope
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DHO900 User Guide
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smaller than the upper limit of the preset time. Click or tap the input field of
Upper to set the delay time upper limit in Delay trigger with the pop-up numeric
keypad. Click or tap the input field of Lower to set the delay time lower limit in
Delay trigger with the pop-up numeric keypad. You can also use the
corresponding multipurpose knob to set the upper and lower limit. The lower
time limit must be smaller than the upper time limit.
> <: triggers when the time difference (∆T) between the specified edges of
Source A and Source B is smaller than the lower limit of the preset time or
greater than the upper limit of the preset time. Click or tap the input field of
Upper to set the delay time upper limit in Delay trigger with the pop-up numeric
keypad. Click or tap the input field of Lower to set the delay time lower limit in
Delay trigger with the pop-up numeric keypad. You can also use the
corresponding multipurpose knob to set the upper and lower limit. The lower
time limit must be smaller than the upper time limit.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
descriptions in
Trigger Mode
Trigger Parameter Setting
Trigger Holdoff
You can refer to
noise rejection under this trigger type.
Level Selection and Setting
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain a stable waveform.
Click or tap the Level A/Level B input field to set the level A/level B with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to adjust
level A/level B or use the trigger level knob to adjust the level (the focus of the trigger
level knob is the last modified level). For details, refer to descriptions in
The current trigger level is displayed in the trigger information label at the top of the
screen.

Setup/Hold Trigger

In setup&hold trigger, you need to set the clock source and data source. The setup
time starts when the data signal passes the trigger level and ends at the coming of
the specified clock edge; the hold time starts at the coming of the specified clock
edge and ends when the data signal crosses the trigger level again, as shown in the
figure below. The oscilloscope triggers when the setup time or hold time is smaller
than the preset time.
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15
10
20
5
25
0
30
.
Noise Rejection
and
to set the trigger holdoff and
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Trigger Level
.
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