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RIGOL
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.
Data Source
Clock Source
Trigger Type:
Press Type, and then rotate the multifunction knob
Press down the knob to select the trigger type. Then, the current trigger setting
information is displayed at the upper-right corner of the screen, as shown in the
figure below. You can also press Type continuously to select the trigger type or
enable the touch screen to tap the desired trigger type and select it.
Clock Source:
Press SCL to set the signal source of the clock line. It can be set to CH1-CH4 or
D0-D15. For details, refer to descriptions in "Trigger Source". The current clock
source (trigger source) is displayed at the upper-right corner of the screen.
Note:
Only when we select the channel (that has been input with signals) as the
clock source, can we obtain a stable trigger.
Edge Type:
Press Slope continuously to select the desired clock edge type, and it can be set to
"Rising"
Data Source:
Press SDA to set the signal source of the data line. It can be set to CH1-CH4 or
D0-D15. For details, refer to descriptions in "Trigger Source". The current data
5-28
nd Quality Products Online at:
T2
T1
The edge type is
Figure 5-11 Setup/Hold Trigger
or "Falling"
.
GlobalTestSupply
www.
Chapter 5 To Trigger the Oscilloscope
The data type is H
to select "Setup/Hold".
T1 is the setup time
T2
is the hold time
MSO5000 User's Guide
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