Signal Analysis PICtail? Daughter Board User’s Guide
2.7
HISTOGRAM
The Histogram allows the user to observe the data taken from a conversion and deter-
mine the relative variation of the digital codes. The histogram plot shows the digital
codes on the X-Axis and the number of occurrences for each code on the Y-Axis. The
statical values of the data set are shown at the bottom of the window. The Span Control
locks in the number of codes shown on the X-Axis or allows the program to
automatically scale the axis for every conversion.
FIGURE 2-12:
HISTOGRAM WINDOW
Y-Axis shows the number of times
a certain code is returned.
DS51476A-page 20
Forces the X axis to automatically
adjust to show all codes between
the smallest and largest codes in
the data set.
Forces display to show a certain
range of codes, independent on
the actual codes in the data set.
The range is set by the values in
the Max Code and Min Code
boxes.
? 2004 Microchip Technology Inc.
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