Pre-trigger and post-trigger acquisition for no dead time...

Details Pre-trigger and post-trigger acquisition for no dead time... Pre-trigger and post-trigger acquisition for no dead time...

2008-03-04

2011-10-25

Cosimano, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C073S866300, C324S076380, C324S113000, C345S440100, C702S187000, C702S189000

Reexamination Certificate

active

08046183

ABSTRACT:
Pre-trigger and post-trigger acquisition for a no dead time acquisition system, where the data being displayed does not include a related trigger event, has a variable record length buffer having a maximum record length equal to a maximum desired pre-trigger interval, and has a trigger FIFO and timer for delaying the related trigger event. The record length of the buffer is determined by the desired pre-trigger interval, and fast rasterizers access the oldest data that encompasses the desired pre-trigger data. A first trigger event in the trigger signal may be delayed by a desired post-trigger interval before the fast rasterizers begin drawing the waveform data that encompasses the desired post-trigger data.

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