Journal of Guangxi Normal University(Natural Science Edition) ›› 2018, Vol. 36 ›› Issue (2): 42-49.doi: 10.16088/j.issn.1001-6600.2018.02.006

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Design of 8.9 GHz Class-E Power Amplifier with High Efficiency and High Gain

CHENG Yang,SONG Shuxiang*,YUAN Weiqiang,LI Guiqin,PANG Zhongqiu   

  1. College of Electronic Engineering,Guangxi Normal University,Guilin Guangxi 541004,China
  • Received:2017-06-14 Online:2018-05-10 Published:2018-07-18

Abstract: In order to reduce power loss of power amplifier(PA), and to improve the working efficiency and the gain of power amplifier, a kind of E power amplifier with high efficiency and high gain is proposed, combining with two-stage amplification and feedback. And the power amplifier is analyzed and verified by Cadence software. The simulation results show that under the condition of 180 nm CMOS, and when power supply voltage is 3.6 V and circuit frequency is 8.9 GHz, the output power of this class-E power amplifier will be 23.5 dBm, the gain is 24 dB and the power added efficiency is 21%. Compared with traditional PA, the power amplifier proposed in this paper has been improved in gain and power additive efficiency, which is suitable for communication, electronic measurement and so on.

Key words: 8.9 GHz, class-E power amplifier, power-added efficiency, high efficiency, high gain

CLC Number: 

  • TN721
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