SimFix connector replacements improve termination of corrugated cables

9th May 2007
Posted By : ES Admin
SimFix connector replacements improve termination of corrugated cables

Quadrant has introduced to the UK two new versions of the popular Telegärtner SimFix rugged RF connector with threaded coupling for use in high performance transmitter applications. SimFix Pro is an improved, third generation version of the original connector while SimFix ST is a completely new design, has a shorter body and is specifically designed for indoor applications.

The Telegärtner SimFix Pro has proved extremely popular in the mobile communications market for in-field termination of copper corrugated feeder and jumper cables for high performance transmitter applications. The new design of SimFix Pro connectors, designed for 1/2inch and 7/8inch feeder cables, results in a shorter, slimmer connector while maintaining, and in many cases improving on, system performance. This redesign takes into account the latest changes in dimensions in cable types RFA, LCF A-types, AVA and others.

SimFix ST (Short Type) has a shorter body and can be used as a replacement for all 7-16 SimFix Pro connectors for indoor applications. The ST versions do not incorporate a rear ‘O’ ring on the cable sheath and this provides a shorter and more cost-effective design. Both types use the same tooling as the original SimFix connectors.

SimFix Pro is protected to IP68 and SimFix ST to IP67. Both have an impedance of 50Ω and return loss is typically greater than 40dB up to frequencies of 3GHz while passive intermodulation is greater than 160 dBc. The inner conductor is silver plated and other conductive parts are plated with silver or silver with a telealloy flash. Other parts are silver nickel or telealloy plated and the connectors are rated at greater than 500 mating cycles.


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