Low voltage operational amplifier

Details Low voltage operational amplifier Low voltage operational amplifier

2006-05-08

2008-11-11

Pascal, Robert J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S262000

Reexamination Certificate

active

07449951

ABSTRACT:
An operational amplifier includes a differential amplifier for amplifying differential input signals to generate differential amplified signals. The operational amplifier also includes first and second single-ended amplifiers that each amplify the differential amplified signals to respectively generate first and second single-ended output signals that are differential with respect to each-other.

REFERENCES:
patent: 5557238 (1996-09-01), Weiss
patent: 6043708 (2000-03-01), Barr
patent: 6069532 (2000-05-01), Shulman
patent: 2005/0007195 (2005-01-01), Schrader
patent: 2005/0046480 (2005-03-01), Dyer et al.
European Patent Application No. 91402659.6 to Carbou, having Publication date of May 20, 1992.
Japanese Patent Application No. 07-105678 to Weiss, having Publication date of Feb. 16, 1996 (w/ English Abstract page).
Japanese Patent Application No. 2002-303140 to Takeshi et al., having Publication date of Jan. 8, 2004 (w/ English Abstract page).
Japanese Patent Application No. 2003-181094 to Naoaki, having Publication date of Jan. 20, 2005 (w/ English Abstract page).

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