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Application of SRRs in conventional waveguide slot array to achieve performance improvement and dual-band characteristics

Published online by Cambridge University Press:  19 September 2016

Avinash Chandra  and
Sushrut Das
Avinash Chandra*
Affiliation:
Department of Electronics Engineering, Indian School of Mines, Dhanbad, Jharkhand, 826004, India
Sushrut Das
Affiliation:
Department of Electronics Engineering, Indian School of Mines, Dhanbad, Jharkhand, 826004, India
*
Corresponding author: A. Chandra Email: avinashchandra888@gmail.com
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Abstract

This paper presents application of split ring resonators (SRR) in conventional waveguide slot array antenna to achieve performance improvement and multiband characteristics. Three SRRs have been placed on the transverse plane of a conventional slotted waveguide and has been simulated and measured. The measured results show that the antenna has dual band response with respective 10 dB return loss bandwidth 8.23–9.23 GHz (11.45%) and 9.68–11.01 GHz (12.87%). The measured gain and radiation pattern reveal that the proposed antenna has higher gain and front to back radiation ratio as compared with a conventional slotted waveguide antenna. Equivalent circuit of the proposed antenna also has been presented.

Keywords

Slot antennaSplit ring-resonator (SRR)Dual bandWaveguide
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 5 , June 2017 , pp. 1085 - 1091
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2016 

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References

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