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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Design of wide Band Microwave Amplifier with Good Frequncy Characteristics

주파수 특성이 좋은 광대역 마이크로웨이브 증폭기의 설계

  • 강희창 (서울산업대학 전자공학과) ;
  • 박일 (동양공업전문대학 통신공학과) ;
  • 진연강 (단국대학 전자공학과)
  • Published : 1991.06.01

Abstract

The new structure method of GaAs microwave amplifiers using DC block function and impedance transforming property of DC block/transformer(non-symmetrical two - microstrip coupled line and interdigital three - microstrip coupled line), instead of chip capacitor, is presented. The newly structured microwave amplifier showed wideband characteristics(bandwidth, 3.5 GHz) and flat frequency response. Interdigital three - microstrip coupled line which is used for microwave amplifier can be used to match amplifiers as well as DC blocking.

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