The Transactions of the Korean Institute of Electrical Engineers C (대한전기학회논문지:전기물성ㆍ응용부문C)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

A Study on The Design of Planer Comb-Line Bandpass Filter Using Equivalent Circuits of Asymmetrical Coupled Line

비대칭 결합선로 등가회로를 사용한 Comb-line 구조의 대역통과 여파기 설계

  • 윤재호 (순천향대학 정보기술공학부) ;
  • 박준석 (순천향대학 정보기술공학부) ;
  • 김형석 (순천향대학 정보기술공학부)
  • Published : 2002.08.01
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Abstract

In this paper, we introduce a procedure to obtain a equivalent circuit of comb-line band pass filter. By employing equivalent circuits of each asymmetrical coupled line. we composed the full equivalent circuit of comb-line bandpass filter and derived simple design equations for extracting each line's impedance. To show the validity of design equations, we simulated and fabricated a planar type comb-line bandpass filter, which has center frequency 1.8㎓, band-width 50㎒ and four resonators. The resulting filter is very compact, have broad stop band with the second pass band centered at four times the center frequency of the first pass band. The experimental results show exact performances of design specification.

Keywords

References

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