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Spectrum Analyzer Mode Key Descriptions
Spectrum Analyzer Mode Functions
TIMEDATE
ON OFF
turns the display of the realtime clock on or off. Pressing
DEFAULT
CONFIG
sets
TIMEDATE
OH
OFF to ON.
Front-Panel Key Access
[CONFIG]
TO1
ON OFF
finds the third-order intercept of the two highest amplitude
signals and the two associated distortion products. The
effect of unequal test signal amplitude is compensated for.
The measurement runs continuously, re-executing at the end
of each sweep. The units for the displayed value can be
selected by pressing Amptd Units
softkey.
The two test
signals and the two associated distortion products must all
be displayed for the measurement to function. The relative
amplitudes and frequencies of the displayed signals must fit
the
TO1
pattern. All of the signals must be greater than the
peak excursion above the threshold.
Front-Panel Key Access
(j-1
accesses the trace softkeys that allow you to store and
manipulate trace information. Each trace is comprised of a
series of data points that form a register where amplitude
information is stored. The analyzer updates the information
for any active trace with each sweep. If two traces are being
written to, they are updated on alternating sweeps. (Also
see “Screen Annotation” in Chapter 2.)
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