The Proceeding of the Korean Institute of Electromagnetic Engineering and Science (한국전자파학회지:전자파기술)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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휴대 단말 시스템용 전력증폭모듈(Power Amplifier Module)의 기술동향

  • 박타준 (삼성전기(주) 중앙연구소) ;
  • 변우진 (삼성전기(주) 중앙연구소)
  • Published : 2003.10.01
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Abstract

Cellular network을 이용하는 휴대 단말기의 경우 TDMA(GSM, IS-136), CDMA(IS-95) 그리고 WCD-MA 등을 포함해서 년간 약 4억대 정도 생산되고 있고, PAM(Power Amplifier Module)은 단말기 한 대당 1~2개 정도 사용되며, 단말기의 battery 사용시간과 밀접한 관련이 있다. 또한 antenna front-end에 장착되기 때문에, 신호의 왜곡에 의한 인접채널 누설 전력과 harmonic 등 전기적인 규격의 적합성과 ESD, 습기 등 품질 신뢰성 문제에 직접적인 영향을 주는 중요한 부품 중의 하나이다. 이로 인하여 PAM의 핵심 기능을 담당하는 PA IC의 공정 기술과 설계 기술, PAM제조 기술 등의 향상에 대한 많은 연구와 개발이 이루어졌다. 본 고에서는 PAM의 최근 기술 동향과 기능적으로 PAM이 주변 수동 및 능동 부품과 집적화 되고 있는 복합 모듈의 동향에 대해서 기술한다.

Keywords

References

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