Keysight Technologies FieldFox N9912A104 User Manual page 127

SA (Spectrum Analyzer) Mode
SA Mode Settings
Independent Source can be enabled ONLY when the FieldFox is in SA mode.
The FieldFox output power is approximate and NOT flat across the
frequency range.
How to make Independent Source Settings
— Press Measure 1.
— Then Source.
— Source Enable ON OFF
— Source Mode
— Normalize ON OFF
Normalize ON stores the current measurement trace into Trace 4 in View
state as a reference trace. All subsequent trace measurements subtract out
this Trace 4 reference trace, and therefore become relative to it. This
causes measurements to appear near the ZERO absolute level on the y-axis
(0 dBm if UNIT is set to dBm).
is automatically turned OFF when the frequency range or Resolution is
changed.Learn more about Trace Display States in
on page
— Source Power
This effectively sets the source output power. While changing the source
attenuation, the approximate Nominal Output power is annotated to the
right of the active entry setting.
Keysight N9912-90001 User's Guide
— To view the internal source, you must connect a cable or device
between the RF Output connector and the RF Input connector.
— ON Turns ON the internal source.
— OFF Turns OFF the internal source.
Choose from the following:
— Tracking The internal source sweeps simultaneously (tracks) with the
SA receiver over the displayed frequency range, emulating NA mode
measurements. Src
— CW The source is set to a CW frequency independent from the SA
setting. Srcw is annotated on the screen.
— Coupled CW The source is set to a CW frequency, but that frequency
"tracks" the SA receiver Center Frequency setting. Therefore, the
signal always appears at center of the display.
the screen.
With Source Enable ON and Source Mode = Tracking,
8-28.
Sets the source attenuation from 0 to 31 dB in 1 dB steps.
is annotated on the screen.
SrcN is annotated on the screen. Normalize
Srcp is annotated on
"Trace Display States"
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