86
Keysight NFA Series Noise Figure Analyzers Service Guide
Instrument Messages
Event Messages
–221
Settings conflict;
Cal only available
when Source Mode is
Tracking
You must be in Tracking Source mode to use the Cal functions under
Normalize. Press Source, Source Mode and set it to Tracking
–221
Settings conflict;
Calibration cannot be
performed without
valid ENR data
The cal ENR table has no values in it, and hence the cal cannot be performed.
Correct by either populating the cal ENR table, set ENR mode to Spot, or set
the ‘Use Meas Table Data for Cal’ to ‘On’
–221
Settings conflict;
Cancellation is not
available while
measuring DANL floor.
Phase Noise cancellation does not make sense when measuring the DANL
Floor, so for this reason it has been disabled
–221
Settings conflict;
Cancellation Ref
trace has no data.
When performing phase noise cancellation, you need to supply a reference
trace that will be used to cancel out the background noise of the analyzer.
The reference trace must be in Reference (View) mode, and selected by the
Ref Trace parameter under the Cancellation menu
–221
Settings Conflict;
Cancellation trace
has different X-Scale
Reference trace for the cancellation has a different range of X-axis against
the target trace
–221
Settings conflict;
Cannot optimize while
user cal in progress
Optimize Preselector cannot be performed while a user cal is in progress. The
user cal performs an optimize preselector prior to taking the noise source
on/off level results for the cal data
–221
Settings conflict;
Can't Auto-Couple Res
BW in Zero Span
The resolution bandwidth cannot be set to auto while you are in zero span
(time domain)
–221
Settings conflict;
Carrier freq not
allowed with BMT.
(Bottom/Middle/Top
only)
The transmit band spur measurement only allows bottom (B), middle (M), and
top (T) channel frequencies for each supported frequency band. The carrier
frequency must be set to the bottom, middle or top frequency of the current
frequency band
–221
Settings Conflict;
Code channel
duplication
This error is reported when the given code channel overlaps other code
channel
–221
Settings conflict;
Continuous Peak is
not available with
Fixed marker
The continuous peak feature cannot be used with a marker that is fixed. By
definition that marker value cannot change
–221
Settings conflict;
Continuous Peak is
not available with
Signal Track on
The continuous peak feature cannot be used while you are also using the
signal tracking function
Err#
Message
Verbose/Correction Information
Содержание N8973B
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Страница 44: ...44 Keysight NFA Series Noise Figure Analyzers Service Guide Overview How to Return Your Instrument for Service ...
Страница 132: ...132 Keysight NFA Series Noise Figure Analyzers Service Guide Instrument Messages Condition Messages ...
Страница 228: ...228 Keysight NFA Series Noise Figure Analyzers Service Guide RF Section Troubleshooting N8976B Troubleshooting ...
Страница 268: ...268 Keysight NFA Series Noise Figure Analyzers Service Guide Analog Digital IF Troubleshooting 25 MHz BW IF Section ...
Страница 322: ...322 Keysight NFA Series Noise Figure Analyzers Service Guide Block Diagrams Block Diagrams Block Diagrams ...
Страница 332: ...332 Keysight NFA Series Noise Figure Analyzers Service Guide Block Diagrams Block Diagrams NFA Computer Block Diagram ...
Страница 350: ...350 Keysight NFA Series Noise Figure Analyzers Service Guide Service and Diagnostics Menus Front Panel Key Test ...
Страница 470: ...470 Keysight NFA Series Noise Figure Analyzers Service Guide Assembly Replacement Procedures Front Frame Assembly ...