Keysight NFA Series Noise Figure Analyzers Service Guide
195
RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)
Troubleshooting
If the power level is correct, do not reconnect W8 at this time. Refer to
, disconnect W7 at A12
(1)
output and install a connector such that the
A12 YTF Preselector output can be measured.
Figure 4-35
Cable W7 at A12 Output
Once the connector is installed, carefully reconnect W8 to make the
measurement. If the power level is incorrect, the most probable cause is the
A12, YTF Preselector.
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 ...