Electromagnetics, ( ISI ), Volume (35), No (6), Year (2015-6) , Pages (404-414)

Title : ( X-Band Multi-Hole Directional Coupler with Folded Substrate-Integrated Waveguide )

Authors: sadat karimabadi , Amir Reza Attari ,

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Abstract

Based on the theory of multi-hole waveguide directional couplers, an X-band multi-hole directional coupler with a folded substrate-integrated waveguide has been designed and fabricated. Simulation results show that the proposed coupler has isolation greater than 19 dB and a return loss better than 18.5 dB over a 50% fractional bandwidth at 10 GHz. The proposed folded substrate-integrated waveguide coupler has been fabricated, and measured data are almost consistent with simulation results. Isolation greater than 17 dB and return loss better than 13 dB are experimentally validated

Keywords

, coupler, compact, folded substrate-integrated waveguide, wideband
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@article{paperid:1048839,
author = {Karimabadi, Sadat and Attari, Amir Reza},
title = {X-Band Multi-Hole Directional Coupler with Folded Substrate-Integrated Waveguide},
journal = {Electromagnetics},
year = {2015},
volume = {35},
number = {6},
month = {June},
issn = {0272-6343},
pages = {404--414},
numpages = {10},
keywords = {coupler; compact; folded substrate-integrated waveguide; wideband},
}

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%0 Journal Article
%T X-Band Multi-Hole Directional Coupler with Folded Substrate-Integrated Waveguide
%A Karimabadi, Sadat
%A Attari, Amir Reza
%J Electromagnetics
%@ 0272-6343
%D 2015

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