488
Keysight NFA Series Noise Figure Analyzers Service Guide
Functional Tests
Before Performing a Functional Test
Before Performing a Functional Test
1.
Ensure that you have the proper test equipment.
2.
Switch on the unit under test (UUT) and let it warm up (in accordance with
warm-up requirements in the instrument specifications).
3.
Allow sufficient warm-up time for the required test equipment (refer to
individual instrument documentation for warm-up specifications).
4.
Ensure that the analyzer’s frequency reference is set to Internal:
a.
Press the
Input/Output
,
Freq Ref Input
keys.
b.
If the
Freq Ref Input
does
not
show Internal, press the
Freq Ref
Input
softkey and select Internal.
5.
Following instrument warm-up, perform the auto align routine:
Press
System
,
Alignments
,
Align Now, Align Now All
.
Functional test accuracy depends on the precision of the test equipment
used. Ensure that all of the test equipment is calibrated before running a
functional test.
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 ...
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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 ...