Description
Keysight N5224B Microwave Network Analyzer Repair
The Keysight N5224B is a PNA microwave network analyzer covering up to 43.5 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 N5224B for RF/microwave and component-test teams.
Common Keysight N5224B problems we fix
- Source and receiver restoration — no stimulus or low receiver sensitivity, repaired so measurements are accurate across the band.
- Port-connector replacement — worn or damaged precision ports degrading S-parameter accuracy, replaced.
- Calibration won’t hold — directivity/match faults making cal unstable, tracked down.
- Synthesizer / LO faults — frequency drift or unlock, recalibrated.
- Display or interface faults.
FAQs
My N5224B 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.
Are the ports serviceable? Yes — port-connector replacement 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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