Broadband Transition between Substrate Integrated Waveguide (SIW) and Rectangular Waveguide for Millimeter-Wave Applications

Abstract:

In this paper, a broadband and simple vertical transition between substrate integrated waveguide and standard air-filled rectangular waveguide is design and experimentally verified. From full-wave simulation of the structure, a relative bandwidth of 19.5% in W-band with return loss better than 20dB is reached. Then, five copies of back-to-back connected transitions are fabricated on RT/Duroid 5880 substrate. The experimental results show that the transition pairs have an average of 15% relative bandwidth with return loss better than 12dB and insert loss lower than 1.2dB. To explain the differences between simulated and tested results, an error analysis is presented.

• Periodical: Applied Mechanics and Materials (Volumes 130-134)
• Pages: 1990-1993
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.130-134.1990
• Online since: October 2011
• Authors: Kuang Da Wang, Wei Hong, Ke Wu
• Keywords: Error Analysis, Millimeter Wave, Rectangular Waveguide, Substrate Integrated Waveguide, Vertical Transition

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