Wideband transition from coaxial line to half-mode substrate integrated waveguide
Date
2013
Authors
Nguyen Trong, N.
Kaufmann, T.
Fumeaux, C.
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Conference paper
Citation
Proceedings of the 2013 Asia-Pacific Microwave Conference, APMC 2013, 2013 / pp.110-112
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Nghia Nguyen-Trong, Thomas Kaufmann, and Christophe Fumeaux
Conference Name
Asia-Pacific Microwave Conference (2013 : Seoul, Korea)
Abstract
In this paper, a perpendicular transition from coaxial cable to Half-Mode Substrate Integrated Waveguide (HM-SIW) is proposed for wideband operation. The design places emphasis on the robustness and manufacturability of the transition, in particular with a reproducible realization of a matching capacitive gap. A prototype of back-to-back transitions with 64 mm length of HMSIW in-between is realized for operation in the frequency range of 10 GHz to 16 GHz. The return loss of the back-to-back transitions is measured to be close to 20 dB. A reasonable agreement between experimental and simulation results is achieved, validating the proposed transition geometry.
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©2013 IEEE