Plural time constant signal control

Details Plural time constant signal control Plural time constant signal control

1991-05-06

1992-06-09

Mottola, Steven

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

330281, 381107, H03G 320

Patent

active

051210762

ABSTRACT:
The present invention concerns apparatus having a voltage controlled amplifier wherein the gain of the amplifier is determined in response to the level of a control signal at an input terminal. A first rate of change is used for a change of gain from a low signal level to a higher signal level, and a second rate of change is used for a change from a high signal level to a lower signal level with the second rate being faster than the first rate.

REFERENCES:
patent: 3828267 (1974-08-01), Tsurvshima
patent: 3961281 (1976-06-01), Woolling, Jr.
patent: 4405948 (1983-09-01), Griffis
patent: 4633518 (1986-12-01), Kennedy et al.
patent: 4641190 (1987-02-01), Testin et al.
patent: 4792990 (1988-12-01), Beyers, Jr.
Schematic and analysis of a portion of the circuitry of a model CMT 2542 television receiver made by the Goldstar Company of South Korea.

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