一种ka波段多赫蒂功率放大器，输出功率为25.1 dBm，峰值PAE为38%，回退PAE为27%

2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) Pub Date : 2013-06-02 DOI:10.1109/RFIC.2013.6569601

J. Curtis, A. Pham, M. Chirala, F. Aryanfar, Zhouyue Pi

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引用次数: 29

摘要

我们提出了设计和开发的第一个完全集成，两级多尔蒂功率放大器(DPA)在ka波段。DPA采用0.15 μm GaAs伪晶高电子迁移率晶体管(pHEMT)工艺制备。在26.4 GHz时，放大器的测量小信号增益为10.3 dB，在1dB压缩点(P1dB)的输出功率为25.1 dBm，峰值功率增加效率(PAE)为38%，在6 dB回退功率下的PAE为27%。据作者所知，这个Doherty电路是第一个完全集成的毫米波放大器，在6 db回退时达到最高功率和27%的PAE，每个单元放大器有2级。

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A Ka-Band doherty power amplifier with 25.1 dBm output power, 38% peak PAE and 27% back-off PAE

We present the design and development of the first fully integrated, two stage Doherty power amplifier (DPA) in the Ka-Band. The DPA is fabricated in a 0.15-μm GaAs pseudomorphic high electron mobility transistor (pHEMT) process. At 26.4 GHz, the amplifier achieves measured small signal gain of 10.3 dB, output power at 1-dB compression point (P1dB) of 25.1 dBm, peak power added efficiency (PAE) of 38%, and PAE of 27% at 6 dB back-off power. To the best of the author's knowledge, this Doherty circuit is the first fully integrated millimeter-wave amplifier that achieves the highest power and a recorded 27% PAE at 6-dB back-off and each unit amplifier has 2 stages.

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2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

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