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학술지 Full-Band Transition from Substrate Integrated Waveguide to Rectangular Waveguide
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저자
이홍열, 윤소현, 엄만석, 염인복
발행일
201507
출처
Electronics Letters, v.51 no.14, pp.1089-1090
ISSN
0013-5194
출판사
IET
DOI
https://dx.doi.org/10.1049/el.2015.0939
협약과제
15MR2600, 차기위성 Flexible 통신방송 탑재체 핵심기술 개발, 안재영
초록
A novel substrate integrated waveguide to rectangular waveguide (RWG) transition for effective power transfer is proposed. The substrate taper is inserted into a conventional height-stepped impedance transformer of the RWG region to improve transmission loss and bandwidth. The transition is designed to cover the entire K-band (18- 26 GHz), showing a return loss of 20 dB. A back-to-back transition has been fabricated to verify the proposed transition. The experimental results show good agreement with the analysis. The transmission loss of the stand-alone transition is 0.22 dB at 21.7 GHz with a usable bandwidth of 36%.
KSP 제안 키워드
6 GHz, Effective power, Full-band, Impedance transformer, K-band, Power transfer, Return loss(RL), Stand-Alone, Stepped impedance, Substrate-integrated waveguide(SIW), Transmission loss