75Ω cables offer excellent insertion & return loss

17th March 2015

Nat Bowers

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Designed to withstand the rigours of test lab use and applications in 75Ω comms systems, Pasternack has introduced a line of 75Ω test cables which operate up to 3GHz. Specific applications for the high frequency test cables include in technologies such as cable TV, MoCA 2.0 and MoCA 1.1 (Media over Coax Alliance) and DOCSIS (Data over Cable Service Interface Specifications).

Pasternack’s high performance test cables are available in two configurations: a type-N male to type-N male or a type-N male to type-F male. Unlike most F connectors readily available on the market, these F connectors are designed to perform up to 3GHz, greatly broadening the usability and value of the cables. Moreover, these connectors are threaded to ensure an accurate and secure connection to both the device under test as well as the analyser. The test cables are suitable for engineering labs, production environments and quality testing facilities and are a good choice for use with 75Ω S-parameter test systems.

The 75Ω flexible cables exhibit excellent insertion loss of less than 0.5dB at 3GHz and typical return loss of just 28dB. The cable assemblies are designed with an armoured jacket that meets ANSI/SCTE 99 2009 pull force and ANSI/SCTE 98 2009 tightening torque standards and are also capable of 100,000 bends minimum.

Steve Ellis, Interconnect Product Manager, Pasternack, commented: “new 75Ω test cables provide customers dealing with cable TV media hardware, set top box manufacturers and broadcast engineers a new cost-effective source for high frequency 75Ω testing components."