Presentation 2008-05-30
Design of H-Plane Waveguide Cruciform Hybrid With Dielectric Posts
Mitsuyoshi KISHIHARA, Isao OHTA, Tadashi KAWAI, Kensuke OKUBO, Jiro YAMAKITA,
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Abstract(in English) A compact H-plane waveguide cruciform coupler has been proposed by the authors. The cruciform coupler consists of two rectangular waveguides crossing each other at right-angles, two metallic posts arranged on a diagonal line of the cross region for producing directional properties, and one metallic post inserted for matching at each waveguide port. In this paper, a design of the cruciform hybrid coupler using dielectric posts instead of metallic posts is attempted. The analysis and the design are performed based on the H-plane planar circuit approach for short-circuited boundary segments with the use of the segmentation method. It is shown that good frequency characteristics with fractional bandwidths of about 10% can be realized for the X- and Q-band waveguides.
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Keyword(in English) Microwave / Waveguide / Directional Coupler / Dielectric / Planar Circuit Approach
Paper # MW2008-20
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Committee MW
Conference Date 2008/5/22(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Design of H-Plane Waveguide Cruciform Hybrid With Dielectric Posts
Sub Title (in English)
Keyword(1) Microwave
Keyword(2) Waveguide
Keyword(3) Directional Coupler
Keyword(4) Dielectric
Keyword(5) Planar Circuit Approach
1st Author's Name Mitsuyoshi KISHIHARA
1st Author's Affiliation Faculty of Computer Science & System Engineering, Okayama Prefectural University()
2nd Author's Name Isao OHTA
2nd Author's Affiliation Graduate School of Engineering, University of Hyogo
3rd Author's Name Tadashi KAWAI
3rd Author's Affiliation Graduate School of Engineering, University of Hyogo
4th Author's Name Kensuke OKUBO
4th Author's Affiliation Faculty of Computer Science & System Engineering, Okayama Prefectural University
5th Author's Name Jiro YAMAKITA
5th Author's Affiliation Faculty of Computer Science & System Engineering, Okayama Prefectural University
Date 2008-05-30
Paper # MW2008-20
Volume (vol) vol.108
Number (no) 63
Page pp.pp.-
#Pages 6
Date of Issue