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:
Dec. 10, 1996
Filed:
Jun. 30, 1993
Applicant:
Inventors:
William J Turney, Schaumburg, IL (US);
Paul H Gailus, Prospect Heights, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455126 ; 455115 ; 455324 ; 375296 ;
Abstract
A zero-IF transmitter (200) has a DC offset, representative of a carrier feedthrough signal. A value to correct the DC offset is successively approximated (207). A summer (201) adds the value to a desired input to reduce the DC offset.