CMOS amplifier circuit which minimizes power supply noise couple

Details CMOS amplifier circuit which minimizes power supply noise couple CMOS amplifier circuit which minimizes power supply noise couple

1987-09-17

1988-11-15

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330149, 330260, H03F 345

Patent

active

047852585

ABSTRACT:
A CMOS circuit having a differential input stage which provides a single output is provided. An output stage has a capacitor which is used as a Miller integrator coupled thereto for frequency stabilization. A cascode portion is coupled to the Miller integrator to maintain one of the capacitor's electrodes at a predetermined voltage potential. A compensation portion is coupled to the cascode portion to compensate for power supply induced errors created when either an N-channel transistor in an N-well process or a P-channel transistor in a P-well process is used in the cascode portion.

REFERENCES:
patent: 4562408 (1985-12-01), Nagai et al.

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