Design of a Broadband Cruciform Substrate Integrated Waveguide Coupler

Mitsuyoshi KISHIHARA; Isao OHTA; Kensuke OKUBO

doi:10.1587/transele.E94.C.248

IEICE Transactions on Electronics

Online ISSN : 1745-1353
Print ISSN : 0916-8524

Regular Section

Design of a Broadband Cruciform Substrate Integrated Waveguide Coupler

Mitsuyoshi KISHIHARA, Isao OHTA, Kensuke OKUBO

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Keywords: millimeter-wave technology, passive components, couplers, substrate-integrated waveguide (SIW), planar circuit approach

JOURNAL RESTRICTED ACCESS

2011 Volume E94.C Issue 2 Pages 248-250

DOI https://doi.org/10.1587/transele.E94.C.248

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Abstract

A broadband cruciform substrate integrated waveguide coupler is designed based on the planar circuit approach. The broadband property is obtained by widening the crossed region in the same way as rectangular waveguide cruciform couplers. As a result, a 3dB coupler with fractional bandwidth of 30% is realized at 24GHz.

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