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:
Aug. 13, 2019
Filed:
Sep. 15, 2017
Qualcomm Incorporated, San Diego, CA (US);
Yanjie Sun, Lexington, MA (US);
Jing-Hwa Chen, Sudbury, MA (US);
Zhenying Luo, Wayland, MA (US);
Yan Kit Gary Hau, Westford, MA (US);
Jisun Ryu, Marlborough, MA (US);
Ashwin Duggal, Jamaica Plain, MA (US);
Kihun Chang, Shrewsbury, MA (US);
ZhenQi Chen, Shirley, MA (US);
Xinwei Wang, Dunstable, MA (US);
Xiangdong Zhang, Westford, MA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Certain aspects of the present disclosure provide methods and apparatus for operating a power amplifier. In one example, the apparatus includes a power amplifier configured to amplify an input signal having a frequency to produce a radio frequency (RF) output signal at an output and a harmonic tuning circuit coupled between a power supply and the power amplifier output, the harmonic tuning circuit configured to reduce a current or voltage provided to the power amplifier via a resonance at one or more harmonics of the frequency of the input signal.