The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Method to Suppress the Spurious Radiation due to the Current Pulse on the Cable using the Frequency Selective Metamaterial Structure

주파수 선택도를 가지는 메타재질구조를 이용한, 선로상의 전류펄스에 의한 불요방사 억제기법

  • Kahng, Sungtek (Information and Telecommunication Engineering, University of Incheon) ;
  • Yang, Inkyu (Information and Telecommunication Engineering, University of Incheon) ;
  • Kim, Hyeong-Seok (School of Electrical and Electronics Engineering, College of Engineering, Chung-Ang University)
  • 강승택 (인천대학교 정보통신공학과) ;
  • 양인규 (인천대학교 정보통신공학과) ;
  • 김형석 (중앙대학교 전자전기공학부)
  • Received : 2013.02.21
  • Accepted : 2013.03.07
  • Published : 2013.04.01
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Abstract

The spurious electromagnetic radiation is generated due to the RF unbalanced current on a conductive cable connecting an electronic device to another. A metamaterial-based filtering geometry with frequency selectivity is suggested to reduce the radiation with a bandgap structure, where the right-handed inductance and capacitance stem from the transmission-like configuration between the cable and the metal protrusion, and the left-handed components come from the narrow cavities. The effect of the structure on the unbalanced current pulse and its spurious radiation is presented in the FDTD-method frame work.

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References

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