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:
Sep. 13, 2011
Filed:
Aug. 20, 2009
Applicant:
Tzi-hsiung Shu, San Jose, CA (US);
Inventor:
Tzi-Hsiung Shu, San Jose, CA (US);
Assignee:
Broadcom Corporation, Irvine, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01); H04B 1/26 (2006.01); H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus, method, and system for DC offset cancellation are provided herein. For instance, the apparatus can include a first commutating mixer switch and a second commutating mixer switch. The first commutating mixer switch can have a first input port configured to receive a first differential signal and a first differential output port. The second commutating mixer switch can have a second input port configured to receive a second differential offset signal and a second differential output port. The first and second differential output ports can be coupled to one another to provide a combined differential output signal.