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A Microstrip-Line-Fed Suspended Square Slot Microstrip Antenna for Circular Polarization Operations

Onkar M. Mudegaonkar, Veeresh G. Kasabegoudar Published in Communications

Communications on Applied Electronics
Year of Publication: 2015
© 2014 by CAE Journal
10.5120/cae-1522

Onkar M Mudegaonkar and Veeresh G Kasabegoudar. Article: A Microstrip-Line-Fed Suspended Square Slot Microstrip Antenna for Circular Polarization Operations. Communications on Applied Electronics 1(3):8-14, February 2015. Published by Foundation of Computer Science, New York, USA. BibTeX

@article{key:article,
	author = {Onkar M. Mudegaonkar and Veeresh G. Kasabegoudar},
	title = {Article: A Microstrip-Line-Fed Suspended Square Slot Microstrip Antenna for Circular Polarization Operations},
	journal = {Communications on Applied Electronics},
	year = {2015},
	volume = {1},
	number = {3},
	pages = {8-14},
	month = {February},
	note = {Published by Foundation of Computer Science, New York, USA}
}

Abstract

A microstrip line-fed suspended square slot antenna with parasitic patch is presented. The proposed antenna is excited by a microstrip line feed placed at the bottom side of the substrate. The antenna geometry gets excitation via EM coupling. In this structure circular polarization (CP) is also obtained with suspended air gap and CP frequency can be switched between 4. 5GHz to 5. 5GHz. Thus, a 3 dB axial ratio bandwidth of about 4. 32% is obtained. This structure exhibitsimpedance bandwidth, which is over 20. 83%. The antenna was optimized with Ansoft's HFSS software and was validated through a prototype. Measured results fairly agree with the simulated data.

Reference

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Keywords

Wide-slot antenna, circular polarization (CP)