The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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UWB Antenna with Triple Band-Notched Characteristics Using the Spiral Resonator and the CSRR

스파이럴 공진기와 CSRR을 이용한 삼중 대역 저지 특성을 갖는 UWB 안테나

  • Kim, Jang-Yeol (School of Information and Communication Engineering, Chungbuk National University) ;
  • Lee, Seung-Woo (School of Information and Communication Engineering, Chungbuk National University) ;
  • Kim, Nam (School of Information and Communication Engineering, Chungbuk National University) ;
  • Lee, Sang-Min (School of Information and Communication Engineering, Chungbuk National University) ;
  • Oh, Byoung-Cheol (Law School, Yonsei University)
  • 김장렬 (충북대학교 정보통신공학부) ;
  • 이승우 (충북대학교 정보통신공학부) ;
  • 김남 (충북대학교 정보통신공학부) ;
  • 이상민 (충북대학교 정보통신공학부) ;
  • 오병철 (연세대학교 법학전문대학원)
  • Accepted : 2011.09.26
  • Published : 2011.11.30
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Abstract

In this paper, a triple band-notched UWB antennas using a spiral resonator and a complementary split ring resonator is proposed as two types. The band-rejection characteristic of the designed antenna is analyzed through the structure and equivalent circuit model of spiral resonator and CSRR. The measured results of first type antenna show that a VSWR less than 2 was satisfied with a resonant frequency in the range of 1.16~12 GHz and it can be obtained the band-stop performance at 3.3~3.85 GHz, 5.15~6.1 GHz, and 8.025~8.5 GHz. The measured results of second type antenna show that a VSWR less than 2 was satisfied with this antenna works from 1.79 to 12 GHz and it can be achieved the band-notched performance at 3.3~3.88 GHz, 5.12~5.94 GHz, and 8.025~8.51 GHz. Through the measured results, the designed antenna was satisfied UWB band except for triple notched bands.

본 논문은 스파이럴 공진기(spiral resonators)와 CSRR(Complementary Split Ring Resonator)를 이용하여 삼중 대역 저지 특성을 갖는 UWB 안테나를 두 가지 타입으로 제안하였다. 제안된 안테나의 대역 저지 특성 분석을 위해 스파이럴 공진기와 CSRR의 구조 및 등가 회로를 통해 해석하였다. 첫 번째 타입의 안테나의 측정 결과는 1.16~12 GHz에서 VSWR<2 이하를 만족하였고, 3.3~3.85 GHz, 5.15~6.1 GHz, 8.025~8.5 GHz에서 대역 저지 특성이 나타났다. 두 번째 타입 안테나의 측정 결과는 1.79~12 GHz에서 VSWR<2 이하를 만족하였고, 3.3~3.88 GHz, 5.12~5.94 GHz, 8.025~8.51 GHz에서 대역 차단 특성이 나타났다. 측정결과를 통해 제안된 안테나는 노치대역을 제외하고 UWB 전 대역을 만족하였다.

Keywords

References

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