Signal compressing apparatus

Details Signal compressing apparatus Signal compressing apparatus

1999-04-06

2000-09-19

Pascal, Robert

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

330140, H03G 320

Patent

active

061218340

ABSTRACT:
A signal compressing apparatus is disclosed, which controls output signal in case of exceeding input signal to increase transmission efficiency and obtains stable output due to temperature compensation. The signal compressing apparatus includes an amplifier for amplifying an input signal applied through an input resistor connected to an input terminal at a constant gain, and a gain controller for rectifying only a specific band signal of output signals of the amplifier between the input terminal of the amplifier and an output terminal thereof, compensating temperature of the rectified signal, and outputting a control signal to allow the gain of the amplifier to be constant.

REFERENCES:
patent: 3904971 (1975-09-01), Delagrange
patent: 4114115 (1978-09-01), Minnis
patent: 5043672 (1991-08-01), Youn
patent: 5604924 (1997-02-01), Yokoya
patent: 5764106 (1998-06-01), Deen et al.
patent: 5796309 (1998-08-01), Nguyen
patent: 5844444 (1998-12-01), Wu et al.

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