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:
Dec. 13, 2016
Filed:
Feb. 16, 2014
Applicant:
Mediatek Inc., Hsin-Chu, TW;
Inventors:
Chia-Sheng Peng, Taichung, TW;
Wei-Cheng Liu, Taoyuan County, TW;
Sheng-Hong Yan, Tainan, TW;
Paul Cheng Po Liang, Hsinchu County, TW;
Assignee:
Mediatek Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0475 (2013.01); H04B 1/0458 (2013.01); H04B 2001/0408 (2013.01); H04B 2001/0425 (2013.01);
Abstract
A communication unit comprises a radio frequency, RF, transmitter comprising: a power amplifier, PA, module; an envelope tracking system operably coupled to the PA module and arranged to variably control a supply voltage for the PA module; and a load control system operably coupled to an output of the PA module and arranged to control a power amplifier output load.