282
Keysight NFA Series Noise Figure Analyzers Service Guide
L.O. Synthesizer/Reference Troubleshooting
A16 Reference Assembly Troubleshooting
A16 Reference Assembly Troubleshooting
If the A16 Reference Assembly is suspect, verify the reference signals, local
oscillator output frequencies, and power levels as per
functioning spectrum analyzer.
The board layout in
and
below identifies the input and
output connectors and LEDs on the A16 Reference Assembly.
If these outputs measure correctly, the A16 Reference Assembly is functioning
correctly. If not, the Reference Assembly is the most probable cause provided
the power supply is operating correctly. Refer to
if the power supplies are suspect.
Figure 8-8
A16 Reference Assembly
Figure 8-9
A16 Reference LEDs
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 ...
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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 ...