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3
Features and Functions
Trigger types
There are four types of trigger, which are pre-trigger, post-trigger, middle-trigger,
and delay-trigger.
Pre-trigger
This trigger type is used when you wish to collect data before a trigger event. The
A/D conversion starts when you execute the specified function calls and stops
when the trigger event occurs. For example, you specify four sample points and
the analog trigger occurs after four sample points are converted. Refer to the
following figure for further illustration.
Due to memory limitation on hardware, the maximum sample points is only up to
NOTE
8 MSa.
Figure 3-7
68
Pre-trigger
Keysight U2300A Series User's Guide
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