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Dual-band stacked circularly polarized microstrip antenna for S and C band applications

Published online by Cambridge University Press:  21 April 2015

Sachin Kumar ,
Abhishek Sharma ,
Binod K. Kanaujia ,
Mukesh K. Khandelwal  and
Anil Kumar Gautam
Sachin Kumar
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Delhi 110031, India. Phone: +91-11-22048047
Abhishek Sharma
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Delhi 110031, India. Phone: +91-11-22048047
Binod K. Kanaujia*
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Delhi 110031, India. Phone: +91-11-22048047
Mukesh K. Khandelwal
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Delhi 110031, India. Phone: +91-11-22048047
Anil Kumar Gautam
Affiliation:
Department of Electronics & Communication Engineering, G. B. Pant Engineering College, Uttrakhand 246194, India
*
Corresponding author: B.K. Kanaujia Email: bkkanaujia@ieee.org
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Abstract

A single-fed circularly polarized microstrip antenna is proposed where the antenna structure exhibits truncated corners in the radiating square patch. The truncated corners square patch structure is loaded with a circular slot and is resonating at 2.25 GHz with circular polarization. Furthermore, the proposed antenna is stacked using an upper circular patch thus achieving a dual-band circularly polarized pattern. The dual-band antenna resonates at 2.25 GHz in the first band and with impedance bandwidth ranging from 4.4 to 5.5 GHz in the second band. The size of the proposed stacked structure is compact compared with the conventional circularly polarized stacked antenna designs. Proposed structures are fabricated and fed using Subminiature version A (SMA) connector. The measured results are in good agreement with the simulated. The antenna shows stable radiation characteristics for the entire band of operation.

Keywords

Circularly polarizedDualbandMicrostrip antennaStackedWideband
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Issue 8 , December 2016 , pp. 1215 - 1222
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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