Circularly polarized truncated corner square slot antenna for Ku-band applications

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Keshwala U.; Rawat S.; Ray K.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2023 | Volume:30 | Issue:1 (Transactions D: Computer Science and Engineering and Electrical Engineering) Page(s): 218-227

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Information Journal Paper

Title

Circularly polarized truncated corner square slot antenna for Ku-band applications

Author(s)

Keshwala U. | Rawat S. | Ray K. | Issue Writer Certificate

Keywords

Circular polarization

axial ratio

square slot antenna

truncated corners

Abstract

The present study presents a novel microstrip line-feed compact square slot Circular-Polarization (CP) antenna for Ku-band applications. The proposed square slot antenna with circular trimmed corners was fabricated with the FR-4 substrate with the defected ground on the opposite side of the patch. The axial ratio Band-Width (ARBW) was considerably enhanced by adding a shorting pin and the Impedance Band-Width (IBW) was improved by etching the pentagon-shape slot in the defected ground. The antenna oered the wide CP IBW of 4. 96 GHz (13. 6 GHz{18. 56 GHz), simulated ARBW of 4. 85 GHz (14. 51{19. 30 GHz), and positive gain in the Ku-band. The presented antenna is appropriate for Ku-band applications.

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