Journal of Korea Society of Industrial Information Systems (한국산업정보학회논문지)

Korea Society of Industrial Information Systems (한국산업정보학회)
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Wide Band Microstrip line-to-Rectangular Waveguide Transition Using a Radial Probe for Millimeter-wave Applications

밀리미터파 응용을 위해 Radial 프로브 마이크로 스트립-웨이브 가이드 광대역 천이기

  • 이영철 (목포해양대학교 전자공학과)
  • Received : 2014.12.10
  • Accepted : 2015.12.16
  • Published : 2015.02.28
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Abstract

In this work, a broadband microstrip (MSL) - to - waveguide (WR12) transition has been presented for millimeter-wave module applications. For improvement of a bandwidth, the radial MSL electrical-probe is designed on the low-loss organic dielectric substrate. The designed and tested characteristics of the proposed transition are characterized in terms of an insertion and return loss. Considering the loss contribution of the cable adapter and waveguide transition for the measurement, the proposed transition loss can be analyzed as -1.88 and -2.01 dB per a transition at 70 and 80 GHz, respectively. The bandwidth of the proposed transition for reflection at -10 dB is 26 GHz at all test frequencies from 67 to 95 GHz. Compared to the state-of-the-art results, improvement of 8.3 % is achieved for the operation bandwidth.

본 논문에서는 밀리미터파 모듈 응용을 위하여 광대역 마이크로스트립-대-웨이브가이드 (WR12) 천이기가 제시된다. 대역폭의 개선을 위하여 radial 마이크로 스트립 electrical-probe가 저 손실 유기 유전체 기판 위에 설계되었다. 제안된 천이기의 삽입 및 반사손실에 대한 설계 및 측정된 특성을 나타내었다. 측정을 위한 케이블 아답터와 웨이브가이드 천이기의 손실을 고려하면, 제안된 천이기의 천이 손실이 70 및 80 GHz에서 각각 -1.88 및 -2.01 dB로 분석되었다. 제안된 천이기의 -10 dB 반사 손실 대역폭은 67GHz 에서 95 GHz로 약 26 GHz이다. 최신의 연구결과와 비교해서 대역폭에서 8.3 % 개선되었다.

Keywords

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