High Speed and High Efficiency GaN Envelope Amplifier with Source-Floating Half-Bridge Switch

Kento Saiki,Shuichi Sakata,Yuji Komatsuzaki,Masaomi Tsuru

2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR)（2022）

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摘要

This paper presents a high speed and high efficiency GaN Envelope Amplifier (EA) for Envelope Tracking Power Amplifier (ETPA) application. The proposed EA consists of series inductor, low pass filter, single half-bridge switch using depletion-mode 0.15um GaN HEMT with source-floating and its driver circuit. In ETP A applications, envelope signals are de-troughed in order not to operate the P A wit...

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关键词

GaN,Half-Bridge Switch,Envelope Amplifier,Envelope Tracking

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