Bidirectional microwave amplifier apparatus

Details Bidirectional microwave amplifier apparatus Bidirectional microwave amplifier apparatus

1992-11-04

1994-03-22

Bertsch, Richard A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328167, 333101, 333103, 455 80, 455 84, H03K 3013, H03B 104

Patent

active

052967620

ABSTRACT:
A bidirectional amplifier apparatus comprising a plurality of diodes located in a ring structure around an amplifier device to be switched. Each pair of diodes are spaced approximately one quarter wavelength, at the frequency to be passed, in order to maximize isolation across the "off" diode pairs. Use of transmission line devices of approximately one quarter wavelength, at a desired frequency, provide a high impedance at the desired frequency while attenuating higher frequencies where the transmission line devices length approach one half wavelength. The use of the transmission line devices also provide a ground bias for the paired diodes.

REFERENCES:
patent: 3550041 (1970-12-01), Sauter
patent: 3982212 (1976-09-01), Wallington et al.
patent: 4502027 (1985-02-01), Ayasli
patent: 4637073 (1987-01-01), Selin et al.
patent: 4883984 (1989-11-01), Kess
patent: 5023935 (1991-06-01), Vancraeynest
patent: 5159296 (1992-10-01), Nelson
patent: 5193218 (1993-03-01), Shimo
patent: 5230090 (1993-07-01), Zametzer et al.

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