Description
Keysight N5232B Microwave Network Analyzer Repair
The Keysight N5232B is a PNA-L microwave network analyzer (to ~20 GHz) — a 2- or 4-port VNA for S-parameter measurement on microwave components, cables, and devices in design and production. As a precision microwave instrument, its faults concentrate in the source and receiver chains, the test-set/port hardware, and the synthesizer/reference.
June Company repairs and calibrates the Keysight N5232B for RF/microwave engineering and component-test teams.
Common Keysight N5232B problems we fix
- Calibration won’t hold / S-parameter errors — receiver or directivity faults making cal unstable, tracked down and repaired.
- Source-leveling errors — the source not delivering correct stimulus power, recalibrated against standards.
- Receiver sensitivity loss — receiver/mixer degradation skewing S-parameters, repaired.
- Test-port / test-set damage — a damaged port from overpower or connector wear, repaired.
- Display or interface faults.
FAQs
My N5232B cal won’t hold — fixable? Yes. Receiver, source, and port faults are repairable and recalibrated, then verified so S-parameter measurement is stable and accurate, with a NIST-traceable certificate.
Is the test set serviceable? Yes — port and test-set repair is routine on PNA-L 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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