Pulse trigger, Pulse trigger -11 – RIGOL MSO/DS2000A Series User Manual

Page 97

RIGOL

MSO2000A/DS2000A User’s Guide

5-11

Pulse Trigger

In pulse trigger 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 0.00 V.

Source Selection:

Press Source and select CH1, CH2, EXT or any channel of 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 condition.


: trigger when the positive pulse width of the input signal is greater than

Positive

pulse width

Trigger level

Negitive

pulse width