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.

Date of Patent:
Dec. 27, 2016

Filed:

Jan. 22, 2015
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Minghui Chen, San Diego, CA (US);

Mahim Ranjan, San Diego, CA (US);

Jeremy Mark Goldblatt, San Diego, CA (US);

Frederic Bossu, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01); H03M 1/06 (2006.01); H02M 1/12 (2006.01); H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
H03F 3/45479 (2013.01); H03F 3/45475 (2013.01); H03F 3/45556 (2013.01); H03M 1/0607 (2013.01); H02M 2001/123 (2013.01); H03F 2203/45078 (2013.01); H03F 2203/45418 (2013.01); H03F 2203/45424 (2013.01); H03F 2203/45526 (2013.01); H03M 1/66 (2013.01);
Abstract

Removing common-mode current from a pair of complementary current signals, including: generating a common-mode voltage of the pair of complementary current signals including at least a first current signal and a second current signal; measuring and outputting a difference voltage between the generated common-mode voltage and a common-mode reference voltage; and removing at least a portion of the common-mode current from the first current signal and the second current signal based on the difference voltage.


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