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:
Oct. 04, 2016
Filed:
Sep. 03, 2014
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Jingxue Lu, San Diego, CA (US);
Ankit Srivastava, San Diego, CA (US);
Haibo Fei, San Diego, CA (US);
Assignee:
QUALCOMM INCORPORATED, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 3/217 (2006.01); H03F 3/183 (2006.01); H03F 1/52 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0205 (2013.01); H03F 1/523 (2013.01); H03F 3/183 (2013.01); H03F 3/217 (2013.01); H03F 3/2173 (2013.01); H03F 3/45179 (2013.01); H03F 3/45475 (2013.01); H03F 2200/03 (2013.01); H03F 2200/33 (2013.01); H03F 2200/351 (2013.01); H03F 2200/481 (2013.01);
Abstract
Disclosed is an amplifier circuit having an output stage that includes an H-bridge circuit. The H-bridge circuit includes sense resistors on one side of the circuit. A current detection circuit can produce an output indicative of current flow through a load based on voltages across the sense resistors.