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:
Mar. 19, 2019
Filed:
Feb. 03, 2017
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Wai Lim Ngai, Poway, CA (US);
Jeremy Goldblatt, Encinitas, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/21 (2006.01); H03F 1/02 (2006.01); H03F 3/19 (2006.01); H03F 3/72 (2006.01);
U.S. Cl.
CPC ...
H03F 3/21 (2013.01); H03F 1/0205 (2013.01); H03F 1/0277 (2013.01); H03F 3/19 (2013.01); H03F 3/211 (2013.01); H03F 3/72 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01);
Abstract
An amplification circuit includes: an input stage including a driver; a transformer that includes a primary winding and a secondary winding, the primary winding being coupled to an output of the driver; and an output stage including: an output configured to be coupled to a load; and a plurality of paths coupled to the output and coupled to respective taps of the secondary winding; where at least one of the plurality of paths comprises a power amplifier.