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2020-06-14
Axial Ratio Bandwidth Enhancement of Asymmetrically Fed Microstrip Antenna
By
Progress In Electromagnetics Research C, Vol. 102, 265-281, 2020
Abstract
Wide axial ratio bandwidth is imparted by placing rigorously designed radial slits on an asymmetrically fed circular radiating patch antenna with parallel bilateral truncations. A partial ground plane with beveling on both the upper corners and a double stepped notch embedded on it makes the antenna suitable for ultra-wideband and X-band applications. The antenna exhibits a −10 dB impedance bandwidth of 8.6 GHz from 3.4 GHz to 12 GHz (111.6%) and a 3 dB axial ratio bandwidth of 8.7 GHz from 3.3 GHz to 12 GHz (113.7%) thereby contributing an effective operating bandwidth of 8.6 GHz (111.6%). The prototype manifests an exceptional far-field radiation pattern and fair gain throughout the passband.
Citation
Kollannore Ukru Sam Parambil Abdulla , "Axial Ratio Bandwidth Enhancement of Asymmetrically Fed Microstrip Antenna," Progress In Electromagnetics Research C, Vol. 102, 265-281, 2020.
doi:10.2528/PIERC20050602
http://www.jpier.org/PIERC/pier.php?paper=20050602
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