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SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
Oversweep
In SA mode, the FieldFox uses Oversweep to quickly analyze input signals.
Oversweep is meant to verify that your setup is correct, but Oversweep is not
meant to be as accurate as FFT and Step sweeps. See also,
"How to set Sweep
Type" on page
187.
How to set Oversweep
1. Press BW 2 >
Advanced
then
2. Press
Oversweep
–To enable/disable the Oversweep. Over sweep enables
you to quickly evaluate your setup.
IF Output
The FieldFox IF (intermediate frequency) can be output for external signal
processing. The signal is available from the IF Out connector on the FieldFox
right-side panel. See the connector in
"Right Side Panel" on page
42.
The IF Out signal, centered at approximately 33.75 MHz (Narrow) or 225 MHz
(with Wide path Option B04 or Option B10), is simply a down-converted
version of the RF Input signal that is present at the tuned frequency.
While outputting an IF signal, the FieldFox stops performing the InstAlign
process. Therefore, the amplitude of traces on the FieldFox screen is NOT
accurate and
Meas UNCAL
appears on the screen to indicate this. Learn more
in
"Individual Alignments" on page
207. See also
Figure 9-11 on page
189.
Learn more about the IF Output frequencies and bandwidths in the
Supplemental Online Help:
https://edadocs.software.keysight.com/kkbopen/fieldfox-manuals-firmware
-software-and-product-support-589310103.html (via FieldFox Manuals,
Firmware, Software and Product Support).
188
Keysight N9938-90006 User's Guide
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