Service Guide E8364-90038 4-41
PNA Series Microwave Network Analyzers Troubleshooting
E8362C, E8363C, E8364C Measurement System Troubleshooting
4. If the 1 GHz signal is not present, replace the appropriate bias tee. Refer to “Removing and Replacing the
A38 and A39 Bias Tees (Option UNL)” on page 7-60.
5. If the 1 GHz signal is present, replace the appropriate test port coupler. Refer to “Removing and
Replacing the A25 and A26 Test Port Couplers” on page 7-50.