Common mode feedback circuit for fully differential...

Details Common mode feedback circuit for fully differential... Common mode feedback circuit for fully differential...

2006-12-26

2006-12-26

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S253000, C330S261000

Reexamination Certificate

active

07154334

ABSTRACT:
An operational amplifier circuit that provides negative feedback and high gain is described. Specifically, the circuit comprises a first gain stage, a second gain stage, a feedback circuit, and a biasing circuit.

REFERENCES:
patent: 4904953 (1990-02-01), McCormack
patent: 5187448 (1993-02-01), Brooks et al.
patent: 5838199 (1998-11-01), Nakamura
patent: 5933056 (1999-08-01), Rothenberg
patent: 5955922 (1999-09-01), Nicollini et al.
patent: 6265941 (2001-07-01), Lopata
patent: 6388522 (2002-05-01), Fattaruso et al.

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