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Miniaturized filtering SIW power divider with arbitrary power-dividing ratio loaded by open complementary split-ring resonators

Published online by Cambridge University Press:  05 July 2017

Mostafa Danaeian ,
Ali-Reza Moznebi ,
Kambiz Afrooz  and
Ahmad Hakimi
Mostafa Danaeian
Affiliation:
Department of Electrical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran. Phone: +98 34 31322516
Ali-Reza Moznebi
Affiliation:
Department of Electrical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran. Phone: +98 34 31322516
Kambiz Afrooz*
Affiliation:
Department of Electrical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran. Phone: +98 34 31322516
Ahmad Hakimi
Affiliation:
Department of Electrical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran. Phone: +98 34 31322516
*
Corresponding author: K. Afrooz Email: afrooz@uk.ac.ir
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Abstract

A miniaturized substrate-integrated waveguide (SIW) power divider with embedded filter response and arbitrary power-dividing ratio loaded by open complementary split-ring resonators (OCSRRs) is presented. In the proposed power divider, the miniaturization and filtering response are realized by a pair of OCSRRs, which are etched on the metal cover of the SIW structure. The design procedure indicates that the power division ratio can be adjusted by changing the locations of the output ports. In this study, three miniaturized filtering SIW power dividers with different power division ratios (1:1, 1:4, and 1:8) are implemented to evaluate the performance of the proposed structure on the size reduction. These power dividers (1:1, 1:4, and 1:8) have the overall sizes of 0.31λg × 0.14λg, 0.25λg × 0.17λg, and 0.25λg × 0.18λg, respectively. The measured results also agree well with the simulated results.

Keywords

Filtering power dividerArbitrary power divisionSubstrate integrated waveguide (SIW)Open complementary split-ring resonators (OCSRRs)
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 9 , November 2017 , pp. 1827 - 1832
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2017 

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