RIGOL Chapter 5 To Trigger the Oscilloscope
5-8 MSO1000Z/DS1000Z User’s Guide
Pulse Trigger
Trigger on the positive or negative pulse with a specified width. In this mode, the
oscilloscope will trigger when the pulse width of the input signal satisfies the
specified pulse width condition.
Trigger Type:
Press Type, rotate to select "Pulse" 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 pulse trigger; the trigger source
is CH1; the trigger level is 168 mV.
Source Selection:
Press Source to open the signal source list and select CH1-CH4 or D0-D15. 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.
Pulse Condition:
In this oscilloscope, positive pulse width is defined as the time difference between
the two crossing points of the trigger level and positive pulse; negative pulse width is
defined as the time difference between the two crossing points of the trigger level
and negative pulse, as shown in the figure below.
Figure 5-3 Positive Pulse Width/Negative Pulse Width
Press When to select the desired pulse width condition.
: trigger when the positive pulse width of the input signal is greater than
the specified pulse width.
: trigger when the positive pulse width of the input signal is lower than the
specified pulse width.
: trigger when the positive pulse width of the input signal is greater than
the specified lower limit of pulse width and lower than the specified upper limit
Positive
pulse width
Trigger level
Trigger level
Negative
pulse width
A
B
A
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