213
Keysight InfiniiVision HD3-Series Oscilloscopes
User's Guide
15 Histogram
Waveform Histogram Set Up / 214
Measurement Histogram Set Up / 217
Histogram Data Graph / 218
Histogram Data Statistics / 219
The histogram analysis feature provides a statistical view of a waveform or a
measurement's results.
Waveform histograms show the number of times a waveform crosses into (or hits)
a row or column of a user-defined window. For vertical histograms, the window is
divided into rows. For horizontal histograms, the window is divided into columns.
Measurement histograms show the distribution of a measurement's results similar
to ordinary measurement statistics.
As waveforms are acquired and displayed, or as measurements are made, a
counter database accumulates the total number of hits (or measurements), and
the histogram data is displayed as a bar graph on the graticule.
When the oscilloscope is stopped, that counter database remains intact until the
acquired data display is modified, usually horizontally or vertically. At that time,
the database is reset and the last displayed acquisition is used to start a new
database.
Histogram results statistics are displayed in the Histogram results window.
The following screen shows a horizontal histogram looking at edge times:
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