Application Note
Application Guide To RF Coaxial Connectors And Cables
By Michael J. Hannon and Pat Malloy, AR
There are a wide variety of coaxial connectors and cables available for use in the RF and microwave spectrum. While often not much thought is given to these essential components, a misstep here can result in undesirable system degradation. Given that typical RF systems are comprised of any number of items, e.g. RF generators, amplifiers, attenuators, power meters, couplers, antennas, etc., it is not uncommon that a great deal of thought is given to these "high end" devices while mundane items such as connectors and cables are often treated as an "afterthought".
RF coaxial connectors
RF coaxial connectors provide vital RF links in communications, broadcast, EMC testing, commercial and military, as well as test and measurement fields. While there is a vast array of RF connectors available, they are all characterized by just a few key parameters. The most obvious characteristic of a connector is its physical size. Other considerations include power handling and frequency range capabilities. To insure maximum power transfer, the characteristic impedance of the connector should match the source and load. All of these characteristics along with connector durability and cost must be considered in light of the specific application. This application note provides guidance and insight in choosing connectors best suited to accommodate your specific application.
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