Description
Keysight P5020A Vector Network Analyzer Repair
The Keysight P5020A is a Streamline USB vector network analyzer (to ~9 GHz) — a 2-port VNA that connects to a PC over USB to measure S-parameters on components, cables, and devices without a built-in display. As a precision microwave instrument, its faults concentrate in the source and receiver chains, the test ports, the synthesizer, and the USB/control interface.
June Company repairs and calibrates the Keysight P5020A for RF/microwave engineering and component-test teams.
Common Keysight P5020A problems we fix
- Test-port reconditioning — worn or damaged measurement ports degrading S-parameter accuracy, reconditioned.
- Source / receiver chain repair — no stimulus or low sensitivity, restored.
- Synthesizer faults — source drift or unlock, repaired and recalibrated.
- Won’t enumerate / USB-control faults — the USB interface the PC software needs, restored.
- Calibration won’t hold — directivity/match faults, tracked down.
FAQs
My P5020A won’t connect or cal won’t hold — fixable? Yes. USB-interface and source/receiver faults are repairable, then verified so it links to your software and measures stable S-parameters, with a NIST-traceable certificate.
Are the ports serviceable? Yes — port reconditioning is routine.
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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