Keysight N9923A FieldFox User Manual page 104

Frequency Selection
VVM measurements are made at a single CW frequency.
How to set Frequency
NOTE Frequency can be set to 1 Hz resolution.
 Press Freq/Dist
 Then
 Enter a value using the numeric keypad, the ▲|▼ arrows, or the rotary knob.
 After using the ▲|▼ arrows or the rotary knob, press Enter. The increment
 After using the keypad, select a multiplier key. Learn about multiplier abbreviations
Display Resolution
You can display either one digit or two digits after the decimal point for both
magnitude and phase readings.
This setting survives a Preset and Mode Preset.
How to set Resolution
 Press Scale/Amptd
 Then
 Then choose:
IF Bandwidth
Reducing the IF receiver bandwidth reduces the effect of random noise on a
measurement. However, narrower IF bandwidths cause longer measurement times.
For highest accuracy, perform calibration and Zero AFTER changing the IF
Bandwidth. Learn about Zeroing on page 106.
How to set IF BW
 Press BW 2
 Then
 Then choose from the following:
Output Power
Set the power level out of the FieldFox to High, Low, or manually set power level to a
value between High and Low.
Generally, the high power setting is used when measuring passive, high-loss devices
to place the signal farther from the noise floor. However, for devices that are sensitive
to high power levels such as amplifiers, use the Low power setting.
104
and 2-port ratioed receiver measurements using external sources.

B/A A/B
Learn more on page 108.
Frequency
setting of the arrows is based on the current span and can NOT be changed in
VVM Mode.
on page 19.
Resolution
0.0 (default)
1
o
0.00
2
o
IF BW
300 Hz | 1 kHz | 3 kHz | 10 kHz | 30 kHz
FieldFox User's Guide