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

  • 제18권2호
  • /
  • Pages.206-212
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  • 2007
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  • 1226-3133(pISSN)
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  • 2288-226X(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
권호 표지
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GBN/SSN 억제를 위한 이종 셀 EBG 구조를 갖는 전원면

A Power Plane Using the Hybrid-Cell EBG Structure for the Suppression of GBN/SSN

  • Kim, Dong-Yeop (Department of Electronics Engineering, Ajou University) ;
  • Joo, Sung-Ho (Department of Electronics Engineering, Ajou University) ;
  • Lee, Hai-Young (Department of Electronics Engineering, Ajou University)
  • 발행 : 2007.02.28
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문에서는 넓은 영역에서 GBN/SSN 억제 특성을 보이는 이종 셀 EBG 구조를 이용한 새로운 전원면 구조를 제안하였다. 제안된 구조는 -30 dB 이하의 삽입 손실로 정의되는 저지 대역이 GBN의 에너지가 집중적으로 분포하는 수 백 MHz에서 시작하며 약 7.9 GHz의 넓은 대역폭을 갖는다. 본 구조의 특징은 인덕턴스를 강화하는 나선형 연결 선로와 분산적 LC 회로의 주기를 줄이는 이종 셀을 추가한 것이다. 그 결과 -30 dB 저지 대역의 저주파에서의 차단 주파수가 낮아짐은 물론 대역폭이 넓어진 특성을 보였다. 또한, 전원면과 접지면 사이의 구조적 공진 모드가 현격히 억제되었으며 평행판 도파관에 비해 낮은 EMI 특성을 보였다.

In this paper, a novel power/ground plane using the hybrid-cell electromagnetic band-gap(EBG) structure is proposed for the wide-band suppression of the ground bound noise(GBN) or simultaneous switching noise(SSN). The -30 dB stopband of the proposed structure starts from a few hundred MHz where the GBN/SSN energy is dominant. The distinctive features of this new structure are the thin spiral strip line and hybrid-cells. They realize the enhanced inductance and the shorter period of the EBG lattice. As a result, the lower cut-off frequency and bandwidth of the -30 dB stopband becomes lower and wider, respectively. In addition, the proposed structure has smaller number of resonance modes between power/ground planes and performs a low EMI behavior compared with the reference board.

키워드

참고문헌

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피인용 문헌

  1. Broadband equivalent circuit modelling of spiral resonators for printed circuit board applications vol.7, pp.3, 2013, https://doi.org/10.1049/iet-cds.2012.0270