Chapter 5 To Trigger the Oscilloscope RIGOL
MSO1000Z/DS1000Z User’s Guide 5-27
Setup/Hold Trigger (Option)
Setup time (△T1) indicates the time that the data stays stable and constant before
the rising edge of the clock signal appears. The hold time (△T2) indicates the time
that the data stays stable and constant after the clock signal appears, as shown in
the figure below. In setup/hold trigger, the instrument triggers when the setup time
or the hold time of the data signal detected by the trigger is less than the preset
setup time or hold time.
T1
T2
Data Source
Clock Source
T2
T1
is the setup time
is the hold time
The edge type is
The data type is H
Figure 5-11 Setup/Hold Trigger
Trigger Type:
Press Type to open the trigger type list. Rotate to select “StpHold” 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 setup/hold trigger; the current
trigger source is CH1; the trigger level is 0.00 V.
Source Selection:
Press DataSource and ClkSource to set the signal sources of the data line and
clock line respectively. They can be set to CH1-CH4. The current trigger source is
displayed at the upper right corner of the screen.
Edge Type:
Press Slope to select the desired clock edge type and it can be set to the rising edge
or falling edge.
Data Type:
Press DataType to set the effective pattern of the data signal to H (high level) or L
(low level).
Setup Type:
It is used to select the different trigger types of setup/hold trigger. Press SetupType
to select the desired setup type.