What Is a Glitch Trigger?

NI VirtualBench Help

Edition Date: January 2017

Part Number: 371526G-01

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Glitch triggering is only available in the LabVIEW or C API. A glitch is a signal that has the same state at two different sample clock edges but transitioned in between. This is only possible to detect if your sample clock rate is less than 1 GHz. If your digital sample rate is 1 GHz, then a glitch trigger condition will never be met.

Since the signal maintains state during the sample period, a glitch is not visible in the data.

The following figure shows both positive and negative glitches.

Glitch Trigger

 

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