Agilent Technologies 4000 X Servisní příručka stáhnout pdf (Strana 65)

Advanced Triggering, Search & Navigation, and Segmented Acquisition Labs 3

4000 X-Series Oscilloscopes Advanced Training Guide 65

26 Press the [Trigger] front panel key.

27 Press the “runt polarity” softkey and select the “either polarity” (third)

icon.

28 Tap the Qualifier softkey to select None.

29 Press the [Acquire] front panel key.

30 Tap the Segmented softkey; then double-tap # of Segs to enter 500 as the

number of segments to capture.

31 Tap the Segmented softkey to begin a Segmented Memory acquisition.

32 Tap the Current Segment softkey; then turn the Entry knob to review all

500 captured segments.

33 Set the Current Segment to 500 and note the time-tag of the last captured

segment.

Segmented Memory optimizes oscilloscope acquisition memory by only

capturing important segments of a waveform based on the trigger

condition and timebase setting. In this example, we have selectively

captured 500 occurrences of positive and negative runts of any width for a

total acquisition time of more than 20 ms as shown in Figure 40.

Figure 40 Using the scope’s Segmented Memory acquisition to selectively capture 500

consecutive runt pulses.

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 167 168

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Agilent Technologies 4000 X Servisní příručka Strana 65