广西师范大学学报(自然科学版) ›› 2018, Vol. 36 ›› Issue (2): 42-49.doi: 10.16088/j.issn.1001-6600.2018.02.006

• • 上一篇    下一篇

8.9 GHz高效高增益E类功率放大器设计

程洋,宋树祥*,袁伟强,李桂琴,庞中秋   

  1. 广西师范大学电子工程学院,广西桂林 541004
  • 收稿日期:2017-06-14 出版日期:2018-05-10 发布日期:2018-07-18
  • 通讯作者: 宋树祥(1970—),男,湖南双峰人,广西师范大学教授,博士。E-mail: songshuxiang@mailbox.gxnu.edu.cn
  • 基金资助:
    国家自然科学基金(61361011);广西自然科学基金(2014jjAA70058);广西研究生教育创新计划项目(XYCSZ2017050, XYCSZ2017051)

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

摘要: 为了减小功率放大器(power amplifier,PA)的功率损耗,提高功率放大器的增益与工作效率,本文提出一种将两级放大和反馈结构相结合的具有高效率高增益的E类功率放大器,并利用Cadence软件对功率放大器进行分析及仿真验证。仿真结果表明,在180 nm CMOS工艺情况下,当电源电压为3.6 V,电路频率为8.9 GHz时,本文E类功率放大器的输出功率为23.5 dBm,增益为24 dB,功率附加效率(power added efficiency,PAE)为21%。与传统的PA相比,本文E类功率放大器在增益和功率附加效率方面均得到了提高,适用于通信、电子测量等系统。

关键词: 8.9 GHz, E类功率放大器, 功率附加效率, 高效, 高增益

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

中图分类号: 

  • TN721
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