FET adaptive limiter with high current FET detector

Details FET adaptive limiter with high current FET detector FET adaptive limiter with high current FET detector

1991-07-29

1992-10-20

Howell, Janice A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 307540, 307550, 307556, 307520, 3072965, H04B 110

Patent

active

051572893

ABSTRACT:
An adaptive power limiter circuit for suppressing power spikes output by a receiver to reduce the chances of damage to the receiver includes a first attenuating stage having an input terminal for receiving power spikes of input magnitude. A first FET is coupled to the input terminal and an output terminal is coupled to the first FET for providing power spikes of output magnitude which are diminished in power relative to the input magnitude. A second attenuating stage has an input terminal connected to the output terminal of the first attenuating stage for receiving the power spikes output by the first stage, an additional FET is coupled to the input terminal of the second stage and a second stage output terminal is coupled to the additional FET for providing power spikes of output magnitude which are considerably diminished in power relative to the input magnitude of the spikes at the input terminal of the first stage.

REFERENCES:
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patent: 4701715 (1987-10-01), Amazawa et al.
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patent: 4890021 (1989-12-01), Walker
patent: 4947063 (1990-08-01), O'Shaughnessy et al.
patent: 5001374 (1991-03-01), Chang
patent: 5051625 (1991-09-01), Iked et al.

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