192 Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide
14 Measurements
To isolate a pulse for Top measurement
The following figure shows how to use Zoom mode to isolate a pulse for a Top
measurement.
You may need to change the measurement window setting so that the
measurement is made in the lower, Zoom window. See
"Measurement Window"
on page 209.
Base
The Base of a waveform is the mode (most common value) of the lower part of the
waveform, or if the mode is not well defined, the base is the same as Minimum.
The Y marker shows the value being measured.
Overshoot
Overshoot is distortion that follows a major edge transition expressed as a
percentage of Amplitude. The X markers show which edge is being measured
(edge closest to the trigger reference point).
Figure 38 Isolating area for Top measurement
Rising edge overshοot =
local Maximum − D Top
Amplitude
× 100
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