Vvm Calibration; Measurement Selection; Frequency Selection - Agilent Technologies FieldFox N9923A User Manual

VVM Calibration

Calibration of a VVM Mode measurement can be accomplished using one of
several methods depending on the desired level of accuracy.
 The simplest method is to use CalReady which is accurate at the test port
 The next simplest method is to perform a Zeroing. Learn more on page 73.
 When using jumper cables or adapters to connect the DUT to the FieldFox, the
VVM Mode Settings
Select VVM Mode before making any setting in this section.
NOTE In VVM Mode, the power level out of the internal FieldFox source is always
approximately +6 dBm and can NOT be changed.
How to select VVM Mode
 Press Mode
 Then

Measurement Selection

How to select a VVM Measurement
 Press Measure 1
 Then choose from the following:

Frequency Selection

VVM measurements are made at a single CW frequency.
How to set Frequency
 Press Freq/Dist
 Then
 Enter a value using the numeric keypad, the ▲|▼ arrows, or the rotary knob.
70
connectors. CalReady does not correct for the loss or delay of jumper cables or
adapters that may be used to connect the DUT to the FieldFox. Learn more
about CalReady on page 52.
most accurate method is to perform a QuickCal or Mechanical Cal. Learn more
on page 51. Press
Zero OFF
VVM
1-Port Cable Trimming
o
this measurement on page 73.
2-Port Transmission
o
this measurement on page 74.
and 2-port ratioed receiver measurements using external sources.
B/A A/B
Learn more on page 75.
Frequency
before calibrating.
1-port reflection measurement. Learn how to make
2-port transmission measurement. Learn how to make
N9923A FieldFox User's Guide