Pause trigger

The trigger is made if during the specified period there has been no cross of the input signal with the specified voltage level in the specified direction. Pause report starts when the input signal crosses the specified voltage level in the specified direction.

Pause trigger algorithm

Pic. 1 Pause trigger algorithm

Pause trigger (or timeout trigger as it’s also called) allows making the pulse packet end synchronization or open-circuit synchronization. The example of it is demonstrated below. This synchronization type is good for the determination of electronic system hang: no signal at the system output which is regulated by the first oscilloscope channel. At the same time you may use the second channel to register a command which has caused the system hang.

Pause trigger mode (timeout) for ACK-3102 1T virtual oscilloscope

Pic. 2 Pause trigger mode (timeout) for ACK-3102 1T PC-based oscilloscope.

Modern ACK-3102 1T PC-based oscilloscope versions have two embedded comparators in the synchronization trigger channel. It significantly broadens the signal research capabilities for users. The availability of two amplitude synchronization levels allows specifying not just a point but the trigger area on the vertical scale of the oscilloscope and therefore determining more difficult signal aperiodicities comparing to the single-level comparator.

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