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O-Strand Radar Practice Test

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The sweep generator card produces the reference sweep, negative sweep gate, and positive sweep gate when triggered by what?
Correct Answer:
The Sink Trigger
Explanation:
Triggering the sweep generator from the sink trigger coordinates the start and end of each sweep, so the reference sweep and both gates are produced together for every cycle. The sink trigger is designed to mark the end of one sweep and kick off the next, ensuring the timing of the reference waveform and the positive and negative sweep gates stay in lockstep with the sweep window. This synchronization is essential so the data captured inside the gates corresponds to the same sweep. Other trigger sources exist for different timing roles, but they don’t reliably drive this trio of outputs in concert for each sweep.

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