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. 12, 2003
Filed:
Jul. 26, 2000
Applicant:
Inventors:
Manbir Nag, Coral Springs, FL (US);
James Mittel, Lake Worth, FL (US);
Assignee:
Motorola, INC, Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 2/508 ; H04L 1/00 ; H04L 2/506 ; H03K 5/01 ; H04B 1/10 ;
U.S. Cl.
CPC ...
H04L 2/508 ; H04L 1/00 ; H04L 2/506 ; H03K 5/01 ; H04B 1/10 ;
Abstract
A digital DC offset correction circuit ( ) provides DC offset correction within a receiver ( ) using an area-optimum, rapid acquisition cellular multi-protocol digital dc offset correction scheme. The digital DC offset correction circuit ( ) includes an integrator ( ), a low pass filter ( ), a decimator ( ), a digital to analog converter codeword clamp ( ), and a digital to analog converter ( ).