한국전자파학회:학술대회논문집 (Proceedings of the Korea Electromagnetic Engineering Society Conference)

한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
권호 표지

AB급 증폭기를 위한 Envelope Detection을 이용한 바이어스 조정

Bias Control for Linearizing Class AB Amplifier Using Envelope Detection

  • 이희민 (충남대학교 전파공학과) ;
  • 강상기 (군산대학교 정보통신공학부) ;
  • 홍성용 (충남대학교 전파공학과)
  • Yi, Hui-Min (Radio Science and Engineering Department Chungnam National Univ.) ;
  • Kang, Sang-Gee (Electronic & Information Engineering Department Kunsan National Univ.) ;
  • Hong, Sung-Yong (Radio Science and Engineering Department Chungnam National Univ.)
  • 발행 : 2005.11.05
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초록

This paper proposes a linearization method that is to control the operating point of a class AB amplifier according to its output power. The proposed linearization method is presented in this paper and the performance test results using two-tone signal are presented also.

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