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Analysis and Design of a Wideband Coaxial Transition to Metal and Printed Ridge Gap Waveguide

Title:

Analysis and Design of a Wideband Coaxial Transition to Metal and Printed Ridge Gap Waveguide

Afifi, Islam, Ali, Mohamed Mamdouh M. ORCID: https://orcid.org/0000-0003-4003-2851 and Sebak, Abdel-Razik (2018) Analysis and Design of a Wideband Coaxial Transition to Metal and Printed Ridge Gap Waveguide. IEEE Access, 6 . pp. 70698-70706. ISSN 2169-3536

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Official URL: http://dx.doi.org/10.1109/ACCESS.2018.2881732

Abstract

In this paper, a wideband coaxial to ridge gap transition is proposed and implemented. The transition has a compact size, wide bandwidth, and simple structure. It can be used to excite ridge gap waveguides implemented by the printed circuit board or computer numerical control (CNC) technologies. A similar circuit model for a coax-to-microstrip junction is proposed and used to establish a systematic design procedure for the proposed transition. Perfect electric conductor and perfect magnetic conductor (PMC) boundaries are used to make the procedure independent of the fabrication technology. The PMC is replaced by a bed of nails for ridge gap realized by CNC technology and mushroom-shaped structure in the case of PCB technology. The proposed transition based on the PCB technology is fabricated and measured. There is a good agreement between simulated and measured results which validates the proposed design. The transition has a 59.22% bandwidth with S11<−10 dB and S21>−0.5 dB.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Article
Refereed:Yes
Authors:Afifi, Islam and Ali, Mohamed Mamdouh M. and Sebak, Abdel-Razik
Journal or Publication:IEEE Access
Date:2018
Funders:
  • Concordia Open Access Author Fund
Digital Object Identifier (DOI):10.1109/ACCESS.2018.2881732
Keywords:Ridge gap, coaxial transition, millimeter wave, wideband
ID Code:984775
Deposited By: KRISTA ALEXANDER
Deposited On:17 Dec 2018 20:12
Last Modified:17 Dec 2018 20:12

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