Service Guide N5227-90001 3-35
PNA Series Microwave Network Analyzers Tests and Adjustments
N5227A Performance Tests
If the Analyzer Fails this Test:
• Run the Receiver Characterization adjustment, and repeat this test.
• If the analyzer still fails this test, replace the A23 mixer brick for a Port 1 or Port 2 failure or the A24 mixer
brick for a Port 3 or Port 4 failure, then repeat this test. Refer to “Removing and Replacing the A27 and
A28 Mixer Bricks” on page 7-30.
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