전자공학회논문지 (Journal of the Institute of Electronics and Information Engineers)

  • 제52권1호
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  • Pages.48-58
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  • 2015
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  • 2287-5026(pISSN)
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  • 2288-159X(eISSN)
대한전자공학회 (The Institute of Electronics and Information Engineers)
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개구면 폭 변화를 이용한 개구면 결합 마이크로스트립 패치 안테나의 대역폭 확장

The Bandwidth Enhancement of an Aperture Coupled Microstrip Patch Antenna Using Variation of an Aperture Width

  • 김재현 (숭실대학교 정보통신전자공학부) ;
  • 구환모 (숭실대학교 정보통신전자공학부) ;
  • 김부균 (숭실대학교 정보통신전자공학부)
  • Kim, Jae-Hyun (School of Electronic Engineering, Soongsil University) ;
  • Koo, Hwan-Mo (School of Electronic Engineering, Soongsil University) ;
  • Kim, Boo-Gyoun (School of Electronic Engineering, Soongsil University)
  • 투고 : 2014.11.11
  • 심사 : 2014.12.29
  • 발행 : 2015.01.25
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초록

MMIC와 집적이 가능한 큰 유전상수를 가지는 급전 기판을 사용하는 개구면 결합 마이크로스트립 패치 안테나(ACMPA)의 개구면 폭을 변화시켜 ACMPA의 대역폭을 확장하는 방법에 대하여 연구하였다. 개구면의 폭이 증가할수록 ACMPA의 패치공진과 개구면 공진 사이의 상호 공진 영역이 증가하여 대역폭이 증가하였다. 일반적인 개구면의 길이와 폭의 비(10:1)을 가지는 ACMPA의 대역폭 20.8 %를 개구면 폭 변화를 이용하여 최대 35.3 %까지 확장하였다. 개구면 폭 증가에 의한 방사특성 저하는 매우 작았다.

The bandwidth enhancement of an aperture coupled microstrip patch antenna(ACMPA) with a high permittivity feed substrate suitable for the integration with MMIC is investigated using variation of an aperture width. As an aperture width increases, the 10 dB return loss bandwidth increases due to the increase of the mutual resonance region between a patch resonance and an aperture resonance. The bandwidth of an ACMPA with extended aperture width is increased up to 35.3 % from 20.8 % of the ACMPA with an aperture of a typical aspect ratio 10:1. The degradation of the radiation characteristics of an ACMPA due to the increase of an aperture width is very small.

키워드

참고문헌

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피인용 문헌

  1. Design of a Circularly Polarized Aperture Coupled Microstrip Patch Antenna with an Asymmetric Aperture vol.16, pp.6, 2018, https://doi.org/10.14801/jkiit.2018.16.6.25