Method and apparatus for providing high common-mode...

Details Method and apparatus for providing high common-mode... Method and apparatus for providing high common-mode...

2006-04-18

2006-04-18

Nguyen, Khanh V. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S258000

Reexamination Certificate

active

07030697

ABSTRACT:
A method and apparatus for providing high common-mode rejection ratio (CMRR) in a single-ended CMOS operational transconductance amplifier is disclosed. A common-mode feedback boosts the OTA CMRR, while allowing integration of conventional OTA improvements.

REFERENCES:
patent: 5006817 (1991-04-01), Babanezhad
patent: 6556081 (2003-04-01), Muza
patent: 6600483 (2003-07-01), Akita et al.
Maxim Pribytko, Patrick Quinn; “A CMOS single-Ended OTA with High CMRR”; European Solid-State Circuits Conference; ESSCIRC 2003; Sep. 17th; 4 pages.

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