Agilent Technologies FieldFox N9913A - Page 142

142 FieldFox User’s Guide
o 2-Port Transmission 2-port transmission measurement. Learn how to make
this measurement on page 146.
o B/A and A/B 2-port ratioed receiver measurements using external sources.
Learn more on page 147.
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 Frequency
 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
setting of the arrows is based on the current span and can NOT be changed in
VVM Mode.
 After using the keypad, select a multiplier key. Learn about multiplier
abbreviations on page 19.
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 Resolution
 Then choose:
o 1 0.0 (default)
o 2 0.00
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, Zero AFTER changing the IF Bandwidth. Learn about
Zeroing on page 144.
How to set IF BW
 Press BW 2
 Then IF BW
 Then choose from the following: