A Broadband V-Band Rectangular Waveguide to Substrate Integrated Waveguide Transition

Abstract

A broadband air-filled rectangular waveguide to substrate integrated waveguide (SIW) transition is proposed at V-band. By introducing an aperture coupled patch antenna structure into the design, a bandwidth wider than 35% for |S ₁₁ | <; -10 dB is achieved. A back-to-back prototype fabricated by the low-cost printed circuit board (PCB) technology shows that the insertion loss of a single transition is less than 0.58 dB within the bandwidth. With good performance and compact volume, the proposed transition is attractive for millimeter-wave circuit designs and measurements.

Keywords

Funding Information

grant from the Research Grant Council of the Hong Kong SAR, China under Project

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