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밀리미터파 대역 도파관-마이크로스트립 변환부 설계 및 제작
함우형(Woo-Hyung Ham),방재훈(Jae-Hoon Bang),안병철(Bierng-Chearl Ahn),정명숙(Myung-Sook Jung),노진입(Jin-Yip Roh) 한국정보기술학회 2009 한국정보기술학회논문지 Vol.7 No.6
We report a waveguide-to-microstrip transition based a probe structure for use in millimeter-wave RF modules. The proposed waveguide-to-microstrip transition is composed of a microstrip probe and a rectangular waveguide. The microstripline is realized using a low-loss substrate made of pure teflon. Design parameters of the transition are optimized using numerical simulation. The fabricated back-to-back transition exhibits reflection coefficient of -24 ㏈ and transmission coefficient of -0.4 ㏈