Development of a Linear Power Amplifier Module for PCS Handy Phone

휴대용 PCS 단말기를 위한 선형 전력증폭기 모듈의 구현

  • 노태문 (삼성전자(주) 무선사업부 무선기술개발그룹) ;
  • 한기천 (포항공과대학교 전자전기공학과 및 전자파특화연구센터) ;
  • 김영식 (포항공과대학교 전자전기공학과 및 전자파특화연구센터) ;
  • 박위상 (포항공과대학교 전자전기공학과 및 전자파특화연구센터) ;
  • 김범만 (포항공과대학교 전자전기공학과 및 전자파특화연구센터)
  • Published : 1997.12.01

Abstract

Linear power amplifier modules with high-efficiency have been developed for PCS handy phone. These modules were designed using extracted large-signal models of MESFETs and harmonic balance simulation. The modules are intended for low-tier and high-tier at the operation frequency range of 1750 ~ 1780 MHz. For low-tier module, the output power and $IMD_3$ were 23.2 dBm and 31 dBc, respectively, at power-added efficiency of 34% with the supply drain bias of 3.6 V. For high-tier module, the output power and $IMD_3$ were 272.2 dBm and 31 dBc, respectively, at power-added efficiency of 33% with the supply drain bias of 4.2 V. These linear power amplifier modules are suitable for PCS handy phone.

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