RF power switches

Details RF power switches RF power switches

1983-12-30

1987-06-16

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307280, 307253, 307259, 307317R, 455 78, H01P 110, H03H 748, H03K 333

Patent

active

046738312

ABSTRACT:
RF switches, for use with radio frequencies, are fast, and require practically no DC energy for maintaining the ON and OFF positions. The switches include a rectifier in series with a capacitor, or with another rectifier in a back-to-back position, or facing each other, or a transistor instead of these two, the rectifier and transistor having an adequate reverse recovery time, these elements being arranged between the RF power source and the load. An inductive element is disposed in series with either the elements of the switch or between the base of the transistor and ground. There may be provided a further diode in series with the inductive element and the switch and in the connection to ground.

REFERENCES:
patent: 2816238 (1957-12-01), Elliott
patent: 3027524 (1962-03-01), May, Jr.
patent: 3504199 (1970-03-01), Cooperman
patent: 3593205 (1971-07-01), Coraccio et al.
patent: 4056792 (1977-11-01), Horwitz et al.
patent: 4492937 (1985-01-01), Theriault

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