Model MS-SMA-020 is a single-pole, double-throw (SPDT) failsafe mechanical switch from Narda Microwave-East, an L-3 Communications company, capable of operating from DC to 3 GHz. It has less than 0.2 dB insertion loss but delivers 80 dB isolation and is designed to withstand more than 2 million switching operations. It is an excellent choice for automated test equipment, base station transmitters and receivers, and general-purpose applications. The switch, which can handle operating temperatures from -10 to +60 deg. C. It operates on 160 mA at +28 VDC and exhibits VSWR of 1.20:1. The compact switch measures 1.50 x 1.34 x 0.50 in. and is supplied with SMA female connectors.
About the Author
Jack Browne
Technical Contributor
Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.