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Techniques of High Efficiency and Linearity Transmitter

机译:高效线性变送器的技术

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摘要

Lineadty and power efficiency of transmitter are the two major concerns in designing modern wireless communication system.Consequently various competitive and complementary technologies have been investigated.The design techniques of high efficiency power amplifier and advanced linearity transmitter architecture are generally introduced in this paper,and the implementation of several efficiency enhanced power amplifiers,such as Doherty power amplifier,inverse class E power amplifier with series tunable parallel resonant tank,multi-band high efficiency power amplifier based on CRLH transmission lines and wideband (0.9-2.7 GHz) high efficiency power amplifier,are also presented.Furthermore,digital predistortion is used to increase the linearity of inverse class E power amplifier,and a high degree of spectral suppression for out-of-band is achieved.Moreover,the telemetry transmitter,which is suitable for 2 Mbps PCM signal,is developed based on high efficiency class E power amplifier.The results show the switching mode amplifiers have potential application in improving the power efficiency of telemetry transmitter.
机译:发射机的线性度和功率效率是设计现代无线通信系统的两个主要问题。因此,人们研究了各种竞争性和互补性技术。本文简要介绍了高效功率放大器的设计技术和先进的线性发射机架构,实现多个效率增强型功率放大器,例如Doherty功率放大器,带串联可调谐并联谐振回路的E类逆功率放大器,基于CRLH传输线的多频段高效功率放大器和宽带(0.9-2.7 GHz)高效功率放大器此外,还使用数字预失真技术来提高E类逆功率放大器的线性度,并实现了对带外频谱的高度抑制。此外,适用于2 Mbps的遥测发射机PCM信号是基于高效E类功率放大器开发的。结果表明,开关模式放大器在提高遥测发射机的功率效率方面具有潜在的应用。

著录项

  • 来源
    《》|2011年|175-187|共13页
  • 会议地点 Jinan(CN)
  • 作者

    Tao Cao; Rong Zeng; Youjiang Liu;

  • 作者单位

    Institute of Electronic Engineering,China Academy of Engineering Physics,Mianyang 621900,China;

    Institute of Electronic Engineering,China Academy of Engineering Physics,Mianyang 621900,China;

    Institute of Electronic Engineering,China Academy of Engineering Physics,Mianyang 621900,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 中国政治;
  • 关键词

    High efficiency; Digital predistortion; Doherty; Class E power amplifier; Transmitter;

    机译:高效率 ;数字预失真;多赫蒂; E类功率放大器;发射机;

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