Automatic gain control circuit and method

Amplifiers – Signal feedback – Variable impedance in feedback path varied by separate...

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328151, 328168, 330 29, H03G 330, G01V 128

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active

039449424

ABSTRACT:
An automatic gain control circuit including a wide band digitally controlled amplifier particularly adapted for use with recurring signals. Each of the recurring signals is divided into a large number of discrete time intervals and the gain of the amplifier may be adjusted for each time interval independently of the signal in any other of the time intervals. Transients due to gain modification may be superimposed.

REFERENCES:
patent: 3525948 (1970-08-01), Sherer et al.
patent: 3636463 (1972-01-01), Ongkiehong
patent: 3683367 (1972-08-01), Monroe et al.
patent: 3699325 (1972-10-01), Montgomery, Jr.
patent: 3714590 (1973-01-01), Freeman
patent: 3786506 (1974-01-01), Effenger et al.
patent: 3797014 (1974-03-01), Tompkins
patent: 3813609 (1974-05-01), Wilkes et al.

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