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Figure 9
The scope always performs measurements on the pulse located closest to
center- screen. In this case, the scope measures the positive pulse width of
the 1st pulse in this digital burst as shown in
want to know the widths of the 2nd, 3rd, 4th, etc., pulses?
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When the "zoom" display is turned on, the horizontal controls (s/div and
position) control the zoomed (or expanded) timebase settings.
2000 X-Series Oscilloscopes Advanced Training Guide
Measuring the positive pulse width of the 1st pulse in the burst.
Press the
button in the Horizontal section of the front panel to turn
on the scope's "zoom" display mode.
Set the Zoom timebase to 50.00 ns/div by turning the large timebase
knob.
Set the horizontal position/delay to 950.0 ns in order to window- in on
the 3rd pulse.
Oscilloscope Familiarization Labs
Figure
9. But what if we
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