Common mode rejection dynamic filter circuit

Details Common mode rejection dynamic filter circuit Common mode rejection dynamic filter circuit

1975-04-08

1976-07-27

Mullins, James B.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330149, H03F 126

Patent

active

039720012

ABSTRACT:
In amplifying circuitry, such as video amplifiers and the like, a resistor is connected between the common junction thereof and ground and a transistor biased for linear operation is connected between the power receiving junctions and a power source with a capacitor connected from the control electrode thereof to the common junction of the amplifying circuitry so that the power applied to the amplifying circuitry varies in a common mode with variations on the common junction to eliminate hum and the like.

REFERENCES:
patent: 3283252 (1966-11-01), Mead et al.

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