Operational amplifier circuit

Details Operational amplifier circuit Operational amplifier circuit

1988-09-30

1990-01-09

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330260, 330261, H03F 345

Patent

active

048930920

ABSTRACT:
The operational amplifier circuit comprises a differential amplifier input stage for producing an amplified signal on the basis of an input voltage signal supplied thereto, an output stage for producing an output signal on the basis of the inverting voltage signal, biasing circuit operative to control the amounts of current respectively flowing through the input stage and the output stage, a phase compensating circuit for elimination of distortion in the amplified signal due to a noise on the power voltage, and a phase compensation supporting circuit for restriction of the variation of the amplified signal in a high-frequency operation.

REFERENCES:
patent: 4371843 (1983-02-01), Fang et al.

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