Service Guide E8361-90001 3-25
PNA Series Microwave Network Analyzers Tests and Adjustments
E8361A System Verification
If the System Fails the Verification Test
IMPORTANT Inspect all connections. Do not remove the cable from the analyzer test port.
This will invalidate the calibration that you performed earlier.
1. Disconnect and clean the device that failed the verification test.
2. Reconnect the device making sure that all connections are torqued to the proper
specifications.
3. Measure the device again.
4. If the analyzer still fails the test, check the measurement calibration by viewing the
error terms as described in “Accessing Error Terms” on page A-6.
5. Refer to Figure 3-12 for additional troubleshooting steps.
Figure 3-12 System Verification Failure Flowchart
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