대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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Design of Asymmetrical Parallel Coupled lines Using Finite Element Analysis

  • 윤재호 (순천향대학교 정보기술공학부) ;
  • 박준석 (순천향대학교 정보기술공학부) ;
  • 안달 (순천향대학교 정보기술공학부) ;
  • 김형석 (순천향대학교 정보기술공학부)
  • Youn, Jae-Ho (Division of Information Technology Engineering, Soonchunhyang University) ;
  • Park, Jun-Seok (Division of Information Technology Engineering, Soonchunhyang University) ;
  • Ahn, Dal (Division of Information Technology Engineering, Soonchunhyang University) ;
  • Kim, Hyeong-Seok (Division of Information Technology Engineering, Soonchunhyang University)
  • 발행 : 2001.07.18
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초록

Asymmetrical parallel coupled lines are used in a number of circuits such as multi-band coupler and combline type band pass filter. Although graphical results and formulas are available for the design of coupled lines, the design procedure is hard to use, because even- and odd- mode impedances are always expressed in terms of the physical geometry. In this paper, we introduce a method to find design parameter using finite element analysis. By employing the capacitance obtained by FE analysis, design parameters for each lines are extracted. To show the validity of extracted design parameter for asymmetrical parallel coupled line, we have designed and simulated a planar type combline band pass filter.

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