The model P4T50M40G55T292FF SP4T switch from PMI

SP4T Switch Reaches 40 GHz

Aug. 15, 2013
A high-speed SP4T absorptive switch operates under TTL control from 50 MHz to 40 GHz.

Model P4T-50M40G-55-T-292FF is a TTL-controlled single-pole, four-throw (SP4T) absorptive switch with an operating frequency range of 50 MHz to 40 GHz. It achieves 55-dB minimum isolation across that frequency range with 8-dB maximum insertion loss. The maximum input/output VSWR is 2.50:1. The switch, which measures 2.0 x 1.0 x 0.4 in. with 2.92-mm female connectors, boasts typical switching speed of 85 ns for a transition from a 50% TTL level to a 10% or 90% RF level. It is designed for +20-dBm CW input power with 5-W peak survival power. The switch requires a power supply of +12 to +15 VDC at 150 mA and -12 to -15 VDC at 100 mA. It has an operating temperature range of -40 to +85°C.

Planar Monolithics Industries, Inc., 7311-F Grove Rd., Frederick, MD 21710; (310) 662-5019.

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.

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