Operational amplifier circuit

Details Operational amplifier circuit Operational amplifier circuit

2009-01-16

2010-06-15

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S261000

Reexamination Certificate

active

07737782

ABSTRACT:
Provided is a CMOS operational amplifier circuit that can operate with low noise, with low current consumption, and with stability. A cascode bias voltage of a folded cascode circuit in the CMOS operational amplifier circuit is modulated by a current at an input differential stage, thereby enabling operation with low noise, with low current consumption, and with stability.

REFERENCES:
patent: 6614302 (2003-09-01), Abe
patent: 2002/0125950 (2002-09-01), Abe
patent: 2002-344261 (2002-11-01), None

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