MOS operational amplifier circuit

Details MOS operational amplifier circuit MOS operational amplifier circuit

1992-11-24

1994-02-22

Wambach, Margaret R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307491, 307262, 307494, 307355, 328167, 330253, 330255, 330306, G06G 712, H03K 522

Patent

active

052890589

ABSTRACT:
An operational amplifier circuit is composed of a differential amplifier circuit for delivering a signal which is obtained by amplifying a difference between voltage levels of two signals; a level shift circuit for shifting and delivering the voltage level of the signal delivered from the differential amplifier circuit; a first amplifier circuit for amplifying and delivering the signal from the level shift circuit; and a second amplifier circuit for amplifying and delivering the voltage level of the signal delivered from the differential amplifier circuit, and a CMOS output circuit whose conductive state is controlled in accordance with voltage levels of the signals delivered from the first and second amplifier circuits.

REFERENCES:
patent: 4335355 (1981-02-01), Haque
patent: 4480230 (1983-07-01), Brehmer et al.
patent: 5177450 (1993-01-01), Lee et al.
Op't Eynde, F., "A CMOS Large-Swing Low-Distortion Three-Stage Class AB Power Amplifier," IEEE Journal of Solid-State Circuits, 25 (1990) Feb., No., 1, pp. 265-273, New York, U.S.
"MOS Operational Amplifier Design--A Tutorial Overview," by Paul R. Gray, IEEE Jouranl of Solid State Circuits, vol. SC-17, No. 6, Dec. 1982, pp. 969-982.

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