Variable gain amplifier

Details Variable gain amplifier Variable gain amplifier

1981-09-29

1984-03-20

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including gain control means

330149, H03G 318, H03C 126

Patent

active

044384106

ABSTRACT:
A variable gain amplifier apparatus utilizing an amplifier in conjunction with a signal detector and a charge storage device to establish a DC bias voltage which controls the threshold level of the input signal amplifier to maintain a constant input/output signal ratio over a wide dynamic range of the input signal.

REFERENCES:
patent: 3714598 (1973-01-01), Wakai et al.
patent: 3725805 (1973-04-01), Orne

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