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:
Nov. 03, 2015
Filed:
Dec. 19, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventor:
Janakiram Ganesh Sankaranarayanan, San Diego, CA (US);
Assignee:
Qualcomm Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01); H03F 1/26 (2006.01); H03F 3/193 (2006.01); H03F 1/22 (2006.01); H03F 1/32 (2006.01);
U.S. Cl.
CPC ...
H03F 1/26 (2013.01); H03F 1/223 (2013.01); H03F 1/3205 (2013.01); H03F 3/193 (2013.01); H03F 3/68 (2013.01); H03F 2200/09 (2013.01); H03F 2200/144 (2013.01); H03F 2200/151 (2013.01); H03F 2200/181 (2013.01); H03F 2200/294 (2013.01); H03F 2200/372 (2013.01); H03F 2200/451 (2013.01); H03F 2200/492 (2013.01); H03F 2200/541 (2013.01);
Abstract
A device includes a main low noise amplifier (LNA) stage configured to amplify a single-ended communication signal, an auxiliary LNA stage coupled to the main LNA stage, the auxiliary LNA stage configured to cancel non-linear second order products generated by the main LNA stage, and a load circuit configured to receive an output of the main LNA stage and an output of the auxiliary LNA stage, the load circuit configured to convert the single-ended communication signal to a differential signal.