Fluke 196, 199, 192 user manual Triggering on Pulses, Detecting Narrow Pulses, Select On Trigger

Models: 192 196 199

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Triggering on Waveforms

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Triggering on Pulses

Triggering on Pulses

Use pulse width triggering to isolate and display specific pulses that you can qualify by time, such as glitches, missing pulses, bursts or signal dropouts.

Detecting Narrow Pulses

To set the test tool to trigger on narrow positive pulses shorter than 5 ms, do the following:

1Apply a video signal to the red input A.

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Display the TRIGGER key labels.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 Open the Trigger Options menu.

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Select Pulse Width on A... to

 

 

 

 

 

 

 

 

 

 

 

open the Trigger on Pulse

 

 

 

 

 

 

 

 

 

 

 

 

Width menu.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Select the positive pulse icon,

 

 

 

 

 

 

then jump to Condition.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Select <t, then jump to Update.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Select On Trigger.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The test tool is now prepared to trigger on narrow pulses only. Observe that the trigger key labels at the bottom of the screen have been adapted to set the pulse conditions:

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Page 61
Image 61
Fluke 196, 199, 192 user manual Triggering on Pulses, Detecting Narrow Pulses, Select On Trigger