Service Guide E8364-90026 3-39
PNA Series Microwave Network Analyzers Tests and Adjustments
E8362B, E8363B, E8364B Performance Tests (Agilent N7840A Software Package)
If the Analyzer Fails this Test:
• A failure of this test indicates a failure of one or more of the following assemblies.
• A31 channel A receiver
• A34 channel B receiver
• A6 SPAM board
• Since all four receivers are identical, the channel A and channel B receivers can be
swapped with the channel R1 and channel R2 receivers to determine if they are the
cause of the failure. Refer to “Removing and Replacing the A31, A32, A33, and A34
Receiver Modules and A49 IF Multiplexer Board” on page 7-52. After swapping the
receivers, repeat this test.
• If the analyzer still fails this test, replace the A6 SPAM board and repeat this test.
Refer to “Removing and Replacing the A6, A8, A9, and A10 Boards” on page 7-18.
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