Either Edge Trigger Mode - Keithley 708B Reference Manual

Section 3: Functions and features
Input characteristics:
•
All rising edges generate an input event.
Figure 63: RisingA output trigger
Output characteristics:
•
When the trigger is asserted, generates a low pulse that is similar to the falling edge trigger mode.

Either edge trigger mode

The either edge trigger mode generates a low pulse and detects both rising and falling edges.
Input characteristics:
•
All rising or falling edges generate an input trigger event
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Models 707B and 708B Switching Matrix Reference Manual
Figure 64: Either edge input trigger
707B-901-01 Rev. A / August 2010