Keysight N9923A FieldFox User Manual page 106

How to set Single or Continuous
 Press Meas 4
 Then choose one of the following:
 You can also use Run / Hold +/- to toggle between Single and Continuous.
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.
 When using jumper cables or adapters to connect the DUT to the FieldFox, the
Zeroing
Zeroing, also known as Normalization, or Data/Memory, simply "Zeroes" the
Magnitude and Phase display when
are relative to the measurement that was made when Zero was pressed.
 When performing a 1-Port Cable Trimming operation, a reference cable is
 For 2-port measurements, Zero is typically pressed when a THRU connection is
Press
How to select Zeroing
 Then
 Then
 Select
106
Automatically sets Continuous OFF and causes the FieldFox to make
Single
o
ONE measurement, then hold for the next Single key press. When a data trace
is displayed, the entire trace is measured, then holds. The
changes to an arrow -->
Makes continuous measurements. This is the typical setting when
Continuous
o
battery power is not critical.
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 63.
most accurate method is to perform a QuickCal or Mechanical Cal. Learn more on
page 62. Press
Zero OFF
connected and measured. Then Zero is pressed, and subsequent cables are
measured and trimmed to match electrical length of the reference cable.
made in place of a DUT. Learn more on page 108.
before performing a QuickCal or Mechanical Cal.
Zero OFF
Press Meas Setup 4
o
Zero Ref
Open – select to display Phase = 0.0 Deg when zeroed.
o
Short - select to display Phase = 180.0 Deg when zeroed.
o
Zero ON
to turn zeroing off.
Zero OFF
while the measurement occurs.
before calibrating.
is pressed. All subsequent measurements
Zero
Hold annotation
FieldFox User's Guide