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http://dx.doi.org/10.5515/KJKIEES.2019.30.2.95

Ku-Band Transitions between Microstrip and Substrate Integrated Waveguide and Microstrip and Hollow Substrate Integrated Waveguide  

Hong, Sung-June (Department of Radio and Information Communications Engineering, Chungnam National University)
Kim, Seil (Department of Radio and Information Communications Engineering, Chungnam National University)
Lee, Min-Pyo (Department of Radio and Information Communications Engineering, Chungnam National University)
Lim, Jun-Su (Department of Radio and Information Communications Engineering, Chungnam National University)
Kim, Dong-Wook (Department of Radio and Information Communications Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.30, no.2, 2019 , pp. 95-103 More about this Journal
Abstract
In this paper, we present a microstrip-to-substrate integrated waveguide(SIW) transition and microstrip-to-hollow SIW(HSIW) transition for Ku-band satellite communication systems. For the complete utilization of the HSIW, a structure filled with air instead of a dielectric material, a microstrip-to-HSIW transition is designed, fabricated, and compared with a microstrip-to-SIW transition. A back-to-back microstrip-to-SIW transition is measured in the range 12~18 GHz; it exhibits a return loss ${\geq}20dB$ and an insertion loss of $1.5{\pm}0.2dB$. In contrast, a back-to-back microstrip-to-HSIW transition exhibits a return loss of at least 15 dB and an insertion loss of $0.55{\pm}0.2dB$ in the same frequency range.
Keywords
Ku-Band; Transition; SIW; HSIW;
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