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

  • 제19권10호
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  • Pages.1166-1174
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  • 2008
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  • 1226-3133(pISSN)
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  • 2288-226X(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
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2~18 GHz 광대역 캐비티 백 스파이럴 안테나 설계

Design of a 2~18 GHz Wideband Cavity-Backed Spiral Antenna

  • 발행 : 2008.10.31
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초록

본 논문에서는 $2{\sim}18$ GHz 광대역 캐비티 백 스파이럴 안테나 설계에 대하여 기술하였다. Archimedean 스파이럴 안테나의 설계 기법을 바탕으로 스파이럴 안테나의 암 패턴과 백 캐비티를 설계하고, CST사의 MWS를 이용하여 시뮬레이션 하였다. 시뮬레이션을 통하여 안테나의 VSWR, 축비(axial ratio) 그리고 반전력 빔 폭을 고찰하였다. 또한, 동작 대역에서 요구되는 VSWR 특성을 만족시키는 Marchand 동축형 밸런을 설계하였다. 최종적으로 제작 및 측정을 통해 안테나의 성능 및 설계 방법의 타당성을 검증하였다.

In this paper, design of a $2{\sim}18$ GHz wideband cavity-backed spiral antenna is investigated. Firstly, an arm pattern and a backing cavity of a cavity-backed spiral antenna are designed based on the design theory of an Archimedean spiral antenna as well as by using CST's MWS. VSWR, axial ratio, and HPBW(Half Power Beam Width) characteristics are considered in the simulation. Secondly, a Marchand coaxial balun is designed to meet the required VSWR within the frequency band of operation. Finally, the validity of these approaches is verified by comparing the simulated results with measured ones.

키워드

참고문헌

  1. V. H. Rumsay, "Frequency independent antenna", IRE National Convention Record, Pt. 1, pp. 114- 118, 1957
  2. J. D. Dyson, "The equiangular spiral antenna", IRE Trans. Antennas Propagat., pp. 181-187, Apr. 1959
  3. W. L. Curtis, "Spiral antennas", IRE Trans. Antennas Propagat., pp. 298-306, May. 1960
  4. H. Nakano, K. Nogami, and S. Arai et al., "A spiral antenna backed by a conducting plane reflector", IEEE Trans. Antennas Propagat., vol. AP-34, no. 6, pp. 791-796, Jun. 1986
  5. Eric D. Caswell, "Design and analysis of star spiral with application to wideband arrays with variable element sizes", Electrical and Computer Engineering, Virginia Polytechnic Institute and State Univ., Dec. 2001
  6. J. W. Mclaughlin, D. A. Dunn, and R. W. Grow, "A wide-band balun", IRE Trans. Microwave Theory and Tech., vol. 6, pp. 314-316, Jul. 1958 https://doi.org/10.1109/TMTT.1958.1124565
  7. Geroge Oltman, "The compensated balun", IEEE Trans. on Microwave Theory Tech., vol. MTT-14. no. 3, pp. 112-119, Mar. 1966
  8. Brian C. Wadell, Transmission Line Design Handbook, Artech House, Inc., 1999

피인용 문헌

  1. Design of a 0.5~2 GHz Cavity-Backed Spiral Antenna vol.21, pp.3, 2010, https://doi.org/10.5515/KJKIEES.2010.21.3.269