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Design of a Broadband Cruciform Substrate Integrated Waveguide Coupler
Mitsuyoshi KISHIHARA Isao OHTA Kensuke OKUBO
IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Microwaves, Millimeter-Waves
millimeter-wave technology, passive components, couplers, substrate-integrated waveguide (SIW), planar circuit approach,
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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 3 dB coupler with fractional bandwidth of 30% is realized at 24 GHz.