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PIER C  2013 

A Substrate Integrated Waveguide to Substrate Integrated Coaxial Line Transition

DOI: 10.2528/PIERC12122503

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In this paper, a novel substrate integrated waveguide (SIW) to substrate integrated coaxial line (SICL) transition using the 3 dB SIW power divider (PD) and SIW 180° phase shifter (PS) is proposed. The SIW-to-SICL transition realizes the easy integration of SIW, SICL, and active device in the same microwave communication system based on the substrate-integrated technology (SIT). To validate the design concept, the prototype has been fabricated and measured. Measurements are in good agreement with simulations, and shows that the SIW-to-SICL transition features ultra-low insertion loss lower than 0.25 dB and with a fractional bandwidth over 10%.


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