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.
Patent No.:
Date of Patent:
Jun. 15, 2004
Filed:
Dec. 16, 2002
Applicant:
Inventor:
Harry Jonathan McIntyre, Los Angeles, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 ;
U.S. Cl.
CPC ...
H03F 3/45 ;
Abstract
An operational amplifier circuit connected to a bi-directional cascode current amplifier is disclosed. The operational amplifier uses the bi-directional cascode current amplifier to filter out the common-mode signal resulting in a nearly infinite open loop gain without bandwidth degradation.