Keysight 4000 X-Series, Руководство по продвинутой подготовке

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Advanced Triggering, Search & Navigation, and Segmented Acquisition Labs
3
4000 X-Series Oscilloscopes Advanced Training Guide 69
Your scope should now be triggering on just setup time violation conditions similar
to Figure 42 . With this unique trigger condition, perhaps we can now correlate
these signals to other signals and/or activity in our system that may be producing
this timing problem.
Let’s now use the scope’s Segmented Memory mode of acquisition to capture 500
consecutive occurrences of a setup time violation. But to complete the rest of this
lab your scope must be licensed with the Segmented Memory option.
10
Press the
[Acquire]
front panel key.
11
Tap the Segmented softkey; enter 500 as the number of segments to capture.
12
Tap the Segmented softkey to begin a Segmented Memory acquisition.
13
Tap the Current Segment softkey; then turn the Entry knob to review all 500
captured segments.
14
Set the Current Segment to 500 and note the time-tag of the last captured
segment.
Figure 42 Triggering the scope on just setup time violations of less than 25 ns.