Description
Keysight N5222B Microwave Network Analyzer Repair
The Keysight N5222B is a PNA microwave network analyzer covering up to 26.5 GHz — a high-performance VNA for measuring S-parameters on microwave components, cables, and devices. As a precision microwave instrument, its faults concentrate in the source and receiver chains, the test-set/port hardware, and calibration stability.
June Company repairs and calibrates the Keysight N5222B for RF/microwave and component-test teams.
Common Keysight N5222B problems we fix
- Port or test-set damage — a damaged measurement port from overpower or connector wear degrading S-parameter accuracy, repaired.
- Calibration won’t hold / fails — source, receiver, or directivity faults making cal unstable, tracked down and repaired.
- Source or LO faults — no stimulus or unstable output, restored.
- Receiver / mixer faults — low sensitivity or bad traces, repaired.
- Display or interface faults.
FAQs
My N5222B cal won’t hold — fixable? Yes. Unstable cal usually points to the source, receiver, or a worn port; we repair the cause and verify stable S-parameter measurement, with a NIST-traceable certificate.
Is the test set serviceable? Yes — port and test-set repair is routine on PNA analyzers.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.






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