If Output - Keysight B Series User Manual

SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings

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 31.
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 147. See also Figure 7-4 on page 130.
Learn more about the IF Output frequencies and bandwidths in the
Supplemental Online Help:
http://na.support.keysight.com/fieldfox/help/SupHelp/FieldFox.htm
Figure 7-4 IF Output Wide with CF=225 MHz (Requires Option B04 or Option B10)
How to select IF Output
The IF Output signal is useful only in Zero Span. Learn more about Zero Span in
"Zero Span Measurements" on page 134.
At least one sweep must be made in order to tune the FieldFox.
130 Keysight N9938-90003 User's Guide