The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 07, 2003

Filed:

Jan. 03, 2002
Applicant:
Inventors:

Hideki Uchiki, Tokyo, JP;

Harufusa Kondoh, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/12 ;
U.S. Cl.
CPC ...
H03K 5/12 ;
Abstract

A semiconductor integrated circuit includes a differential amplifier, a common level detection circuit which detects a common level of input signals A and B, and a bias generation circuit which generates a bias voltage to be applied to a gate terminal of a MOS transistor that is a constant-current power source of the differential amplifier based on the detected level.


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