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Faster debugging using specialized triggers

2018-04-09  |  App Notes
App Note

Faster debugging using specialized triggers

Trigger types

Width and glitch

The (pulse) width trigger acts directly on the duration of a positive or negative pulse. Very short pulse widths are referred to as glitches. These triggers are used during the analysis of pulse width modulations, for example with rotary encoders. They are also important in the analysis of logic circuits where missing clock pulses can lead to very large pulse widths, or glitches can interfere with the circuit.

Timeout and interval

These two trigger modes expand the pulse width trigger functionality in two directions. The timeout trigger checks whether or not a pulse is followed by another pulse within a defined time window. The interval trigger checks the distance between two pulses of the same polarity. This makes it easy to find any missing clock pulses.


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