Operational amplifier circuit

Details Operational amplifier circuit Operational amplifier circuit

1984-04-17

1985-06-18

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, H03F 345

Patent

active

045243298

ABSTRACT:
An operational amplifier having a differential amplifier section, a level shifting section, an output section and a bias section. In the operational amplifier, the bias section senses any changes in the power voltage and controls the level shifting of the level shifting section with the sensed change in the power voltage so as to remove an offset component in the output voltage of the differential amplifier section which arises from the power voltage change.

REFERENCES:
patent: 4366444 (1982-12-01), Schade, Jr.
Gray et al., "Analog MOS Integrated Circuits," IEEE Solid-State Circuits Counsel, IEEE Press Selected Reprint Series, pp. 39-40, 1980.

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