88 Keysight N9927-90001 User’s Guide
NA (Network Analyzer) Mode
NA Mode Settings
——
Trans
The displayed S-parameter is converted to Z or Y
transmission, regardless of whether the S-parameter is
reflection (S11 or S22) or transmission (S21 or S12).
—1/
1/S
The displayed S-parameter is converted to 1/S-parameter.
Receiver Measurements
In NA Mode ONLY, you can make unratioed, uncorrected receiver
measurements. These measurements are typically used as diagnostic tools for
service personnel.
How to make receiver measurements
— Press
Measure 1
— Then
More
, then
Advanced
— Then choose from the following:
—
Auto
The FieldFox sets the source port based on the selected receiver.
—
Port 1
Select when measuring transmission at B receiver.
—
Port 2
Select when measuring reverse transmission at A receiver.
Learn more about Raw Receiver Measurements at the FieldFox Supplemental
Online Help:
http://na.support.keysight.com/fieldfox/help/SupHelp/FieldFox.htm
Receiver measurements are NOT corrected for absolute power. They are
only useful for making relative measurements. The Y-Axis and markers are
labeled in dB - NOT dBm. Specifically, R1 and R2, do NOT indicate the
actual power levels out of the source ports.
A
Port-1 test port (*1)
B
Port-2 test port (*2)
R1
Port-1 reference receiver (*1)
R2
Port-2 reference receiver (*2)
(*) indicates the Auto-selected source port for the measurement
Source Port
The FieldFox port to provide the source signal. Choose from the
following:
Содержание N9913A
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Страница 202: ...202 Keysight N9927 90001 User s Guide SA Spectrum Analyzer Mode Channel Measurements ...
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