Method and apparatus for automatic gain control using a linear l

Details Method and apparatus for automatic gain control using a linear l Method and apparatus for automatic gain control using a linear l

1997-09-08

2000-06-27

Isen, Forester W.

Electrical audio signal processing systems and devices

With amplifier

381108, 4552321, 4552341, 4552401, 330282, H03F 2100

Patent

active

060816031

ABSTRACT:
The present invention relates to a method and apparatus for adjusting the gain of an amplifier circuit. A gain control circuit compares the output of the amplifier with a reference voltage and adjusts a variable resistor, thereby altering the gain of the amplifier.

REFERENCES:
patent: 4890259 (1989-12-01), Simko
patent: 5241494 (1993-08-01), Blyth et al.
patent: 5412346 (1995-05-01), Burger, Jr. et al.
patent: 5546458 (1996-08-01), Iwami
patent: 5699016 (1997-12-01), Federspiel et al.
patent: 5822442 (1998-10-01), Agnew et al.
patent: 5862238 (1999-01-01), Agnew et al.

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