Cables/Connecting

VNA test cables mitigate phase change over 75,000 flexure cycles

30th October 2015
Jordan Mulcare
0

Pasternack releases of a line of ruggedised phase stable VNA test cables operating up to 40GHz depending on the series. These VNA test cables are specially designed to withstand the rigors of test lab use and production testing for 50Ω communications systems.

The phase stable cables can be ordered with male or female versions of SMA or Type-N connectors for cables operating to 18 GHz, 2.92mm connectors for cables operating to 26.5GHz or 2.4mm connectors for test cables performing up to 40GHz. Torsion resistant connector heads are directly attached to stainless steel conduit style armoring providing a rugged design for up to 5,000 mating cycles with proper care. The cable’s armoring enhances amplitude and phase stability by preventing stress due to over bending while maintaining the flexibility required for testing in a lab environment.

Pasternack’s new ruggedized VNA test cables have a maximum phase change of +/- 2° at 18GHz, +/- 3° at 26.5GHz and +/- 5 ° at 40GHz with typical calibration procedures. Minimal phase change is essential because amplitude and phase variation following VNA calibration can cause inaccurate S Parameter measurements. As a result, amplitude and phase stable cables are needed to make accurate Vector Network Analyzer measurements. Pasternack’s amplitude and phase stable ruggedised VNA test cables provide the reliable and repeatable, accurate test results users require.

“Our new VNA test cables provide industry-leading performance up to 40GHz,” explains Steve Ellis, Interconnect Product Manager, Pasternack. “These test cables are rated to 5,000 mating cycles and 75,000 flexure cycles while still exhibiting excellent amplitude and phase stability to the given frequency.”

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