HP 54520 Series - Page 236

Measurements
Building a Histogram
Building a Histogram
Once a data record is available, the measurement process builds a histogram
of the distribution of the internal voltage levels as shown in figure 13-3. The
histogram is built on eight bits of data, and, if in the average mode, does not
represent the full resolution of the data as this would resuit in a very large
histogram array. The oscilloscope uses the histogram to determine the
statistical maximum (top) and minimum (base) of the data record.
Figure 13-3
Max
nomena |
to —-
60%
40%
Base
_——_—~
vin |
Some measurements are made from the histogram
13-5