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:
May. 25, 2021
Filed:
Aug. 01, 2019
Iwave Technologies Co., Ltd., Kaohsiung, TW;
Shau-Gang Mao, Kaohsiung, TW;
Chong-Yi Liou, Kaohsiung, TW;
Wei-Ting Tsai, Kaohsiung, TW;
Yu-Yao Chen, Kaohsiung, TW;
Zheng-An Peng, Kaohsiung, TW;
Shih-Ping Huang, Kaohsiung, TW;
Chien-Bang Chen, Kaohsiung, TW;
IWAVE TECHNOLOGIES CO., LTD., Kaohsiung, TW;
Abstract
An envelope tracking power amplifier module and an envelope tracking method are provided. The envelope tracking power amplifier module includes a power amplifier and a linear amplifier coupled to the power amplifier and configured to receive and amplify an envelope signal and provide the amplified envelope signal to the power amplifier. The power amplifier is configured to receive and amplify a signal according to the amplified envelope signal. The envelope tracking method includes: providing a signal to the power amplifier; deriving an envelope phase of the signal, the envelope phase corresponding to an output power of the power amplifier; providing an envelope signal including the envelope phase to the envelope tracking module; the envelope tracking module providing the amplified envelope signal to the power amplifier; and the power amplifier amplifying the signal according to the amplified envelope signal and outputting the amplified signal at the output power.