Operating Basics
66 TDS5000B Series Quick Start User Manual
Histogram Measurements
Wfm Ct Displays the number of waveforms that have contributed to the histogram.
Hits in Box Displays the number of points in or on the histogram box.
Peak Hits Displays the number of points in the largest bin of the histogram.
Median Displays the middle point of the histogram box. Half of all acquired points within or on the
histogram box are less than this value and half are greater than this value.
Max Displays the voltage of the highest nonzero bin in vertical histograms or the time of the
rightmost nonzero bin in t he horizontal histograms.
Min Displays the voltage of the lowest nonzero bin in vertical histograms or the time of the
leftmost nonzero bin in the horizontal histograms.
Pk-Pk Displays the peak-to-peak value of the histogram. Vertical histograms display the voltage
of t he highest nonzero bin minus the voltage of the lowest nonzero bin. Horizontal
histograms display the time of the rightmost nonzero bin minus the time of the leftmost
nonzero bin.
Mean Measures the average of all acquired points within or on the histogram box.
Std Dev Measures the standard deviation (Root Mean Square (RMS) deviation) of all acquired
points within or on the histogram box.
Mean ±1Std
Dev
Displays the percentage of points in the histogram that are within one standard deviation
of the histogram me an.
Mean ± 2
Std Dev
Displays the percentage of points in the histogram that are within two standard deviations
of the histogram me an.
Mean ±3Std
Dev
Displays the percentage of points in the histogram that are within three standard
deviations of the histogram mean.
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