SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
1. Selecting Preset > Mode Preset, sets Tune Frequency to 3.25 GHz(e.g., for
a N9914B FieldFox).
2. Specify Tune Frequency:
— Press Meas Setup 4
> Tune Freq
— Enter a value using the numeric keypad, arrows, or the rotary
knob. Then select a multiplier key. Learn about multiplier
abbreviations “Multiplier Abbreviations” on page 43.
3. Using Mkr->Tune Freq:
— Create a normal marker at the frequency of interest. Learn how in
“How to create Markers” on page 646.
— Press Mkr->/Tools
— Then Mkr->TuneFreq to change the Tune Frequency to that of the
marker.
Listen Time
While Tune & Listen is actively demodulating a signal, the SA does not sweep
and update the display. Listen Time sets the amount of time that the FieldFox
demodulates, then stops to perform a single sweep and update the display,
then again demodulates.
To select Listen Time:
—Press Meas Setup 4 >Listen Time
— Enter a value using the numeric keypad, arrows, or the rotary knob.
Then select a multiplier key. Learn about multiplier abbreviations.
Volume Control
To increase or decrease the Volume of the demodulated signal:
—Press Meas Setup 4
> Volume
— Enter a value in percent between 0 and 100 (loudest) using the numeric
keypad, arrows, or the rotary knob.
— Volume can also be changed and easily muted from the System
menu.
Learn more in “How to set the FieldFox Volume Control” on page 675.
To improve sound quality, try increasing power by reducing the
Attenuation setting and, if available, turn ON the Preamplifier. Learn how
in “Attenuation Control” on page 156
Keysight N9938-90003 User's Guide
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