Chapter 2 223
Front-Panel Key Reference
Trace/View (Power Stat CCDF)
Trace/View (Power Stat CCDF)
If Power Stat CCDF is selected in the MEASURE menu, Trace/View
displays the following menu for the complimentary cumulative
distribution function (CCDF) measurement.
CCDF Performs a CCDF measurement. The measurement bandwidth is set to
5 MHz, counts to 100 kpoints, measurement interval to 1.00 ms and the
x-axis scale to 2.00 dB/div. The displayed traces are a Gaussian line and
the current measured trace.
Power complimentary cumulative distribution function (CCDF) curves
characterize the higher-level power of the signal. It provides the
distribution of peak-to-average power ratios versus probability. A CCDF
curve is defined by how much time the waveform spends at or above the
given power level. The percent of time the signal spends at or above the
level defines the probability for that particular power level.
Key Access:
Measure, Power Stat CCDF, Trace/View
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