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:
Aug. 11, 2009
Filed:
Oct. 06, 2005
Applicant:
Elangovan Nainar, Longmont, CO (US);
Inventor:
Elangovan Nainar, Longmont, CO (US);
Assignee:
Agere Systems Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
An amplifier for amplifying a differential input signal. The amplifier comprises a parallel configuration of a first and a second transistor differential amplifier, each responsive to a different DC bias current, wherein a gain of the amplifier is based on a sum of the transconductance of each of the first and the second differential amplifiers.