Title：A multimode configurable Class AB power amplifier
Country：China
Patent No.：201410334684.9
Legal Status：Authorized
Inventor：Baoyong Chi, Meng Wei, Zehong Zhang, Zhihua Wang
Assignee：Tsinghua University
Address：Mailbox No. 82, Beijing 100084
Filing Date：2014-07-14
Issue Date：2017-06-30
Abstract：
The invention discloses a multi-mode power amplifier configurable with Class AB in the field of radio-frequency power amplifiers and aims to solve the problems existing in researches of radio-frequency power amplifiers. The multi-mode power amplifier is capable of automatically adjusting operating modes including a low-power consumption operating mode, a medium-power consumption operating mode and a high-power consumption operating mode. The power amplifier is composed of a configurable power driving part, a configurable power amplifying part, a configurable impedance conversion part and a power detection and control part, wherein the power detection and control part is respectively connected with the configurable power driving part, the configurable power amplifying part and the configurable impedance conversion part, the configurable impedance conversion part is connected with the power detection and control part and the power amplifying part, and the configurable power driving part is connected with the configurable power amplifying part. The multi-mode power amplifier configurable with Class AB is capable of effectively improving efficiency and reducing power consumption, and covered frequency band is wide.
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