Keysight Technologies C Series User Manual page 617

Fieldfox analyzers

VVM (Vector Voltmeter) Mode - Option 308

VVM Mode Settings

To restart the averaging process, press Meas Setup 4, then More, then

Single or Continuous Measure

This setting determines whether the FieldFox measures continuously or only

once each time the

power or to allow you to save or analyze a specific measurement.

This setting can be changed at any time without affecting calibration accuracy.

How to set Single or Continuous

— Press Meas Setup 4

— Then choose one of the following:

— You can also use Run / Hold +/- to toggle between Single and Continuous.

VVM Calibration

CalReady is accurate for most zeroed VVM measurements at frequencies

below about 6 GHz. For the very highest accuracy, especially above 6 GHz,

then perform a Mechanical Cal. Learn more in

Zeroing, also known as Normalization, or Data/Memory, simply "Zeroes" the

Magnitude and Phase display when

measurements are relative to the measurement that was made when Zero was

When an instrument state is saved with Zero ON, the zeroing data is saved with

the state file, similar to how a calibration is saved with a state file.

— When performing a 1-Port Cable Trimming operation, a reference cable is

Keysight N9915-90020 User's Guide

Automatically sets Continuous OFF and causes the FieldFox to

make ONE measurement, then hold for the next Single key press. The

Hold annotation changes to an arrow --> while the measurement

Continuous OFF

Continuous ON

setting when battery power is not critical.

before calibrating (sets Zero to OFF).

connected and measured. Then Zero is pressed, and subsequent cables are

measured and trimmed to match electrical length of the reference cable.

button is pressed. Use Single to conserve battery

both put the FieldFox in Hold mode.

Makes continuous measurements. This is the typical

"How to Perform a Calibration"

is pressed. All subsequent

Chapters