Radio frequency system having reflective diode linearizer with b

Details Radio frequency system having reflective diode linearizer with b Radio frequency system having reflective diode linearizer with b

1998-11-18

2000-01-25

Lee, Benny

Amplifiers

Hum or noise or distortion bucking introduced into signal...

333109, H03F 132

Patent

active

060182660

ABSTRACT:
A radio frequency system includes a reflective diode linearizer. The reflective diode linearizer has a quadrature hybrid circuit with an input, an output, a first tuned port, and a second tuned port. Each of the tuned ports has a reflection circuit in electrical communication. Each reflection circuit includes a first Schottky diode having a cathode in electrical communication with the tuned port, a second Schottky diode having an anode in electrical communication with the tuned port, a first delay line having a first end in electrical communication with the tuned port, a second delay line having a first end in electrical communication with an anode of the first Schottky diode and also in electrical communication with a cathode of the second Schottky diode, and a radio frequency resistive element having a first end in electrical communication with a second end of the first delay line and a second end in electrical communication with a second end of the second delay line and with an electrical ground.

REFERENCES:
patent: 4902983 (1990-02-01), Fujiki et al.
patent: 4987378 (1991-01-01), Eggleston et al.
patent: 5381110 (1995-01-01), O'Leary et al.
patent: 5742201 (1998-04-01), Eisenberg et al.
A. Katz et al., "A Reflective Diode Linearizer for Spacecraft Applications," IEEE MTT-5 Digest, pp. 661-664 (1985).
G. Sato et al., "A Linearizer for Satellite Communications," International Conference on Communication, Seattle, WA, Jun. 8-12, 1980, pp. 33.3.1-33.3.5.

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