Proceedings of the Korean Institute of Information and Commucation Sciences Conference (한국정보통신학회:학술대회논문집)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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MINIATURIZED MICROSTRIP DUAL BAND-STOP FILTER USING STEPPED IMPEDANCE RESONATORS

P형 계단형 임피던스 공진기를 이용한 소형화된 마이크로스트립 이중 대역 저지 필터

  • Park, Young-Bae (Dept. of Electronics Engineering, Silla University) ;
  • Kim, Gi-Rae (Dept. of Electronics Engineering, Silla University)
  • 박영배 (신라대학교 전자공학과) ;
  • 김기래 (신라대학교 전자공학과)
  • Published : 2011.05.26
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Abstract

A novel circuit structure of dual-band bandstop filters is proposed in this paper. This structure comprises two shunt-connected tri-section stepped impedance resonators with a transmission line in between. Theoretical analysis from the equivalent circuit and design procedures are described. We represented graphs for filter design from the derived synthesis equations by resonance condition of circuits. Notably, advantages of the proposed filter structure are compact size in design, wide range of realizable resonance frequency ratio, and more realizable impedances.

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