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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, and 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
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