High frequency linearizer

Details High frequency linearizer High frequency linearizer

1992-10-09

1994-04-19

Mullins, James B.

Amplifiers

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

328163, H03F 132

Patent

active

053049446

ABSTRACT:
A linearizer particularly valuable for millimeter wave satellite communications is disclosed. A satellite (12) divides signal into linear (20) and nonlinear (32) paths which are converted to finline. A pair of beamlead PIN diodes (48) and a pair of varactor diodes (52) extend across the finline linear path to constitute an attenuator and phase shifter. A pair of anti-parallel Schottky diodes (60) and a pair of PIN diodes (64) extend across the nonlinear path to constitute a limiter and an attenuator. A combiner (30) combines the linear and nonlinear signals for input to an amplifier.

REFERENCES:
patent: 4902983 (1990-02-01), Fujiki et al.
patent: 5015965 (1991-05-01), Katz et al.

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