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CIRCULAR SLOTTED ELLIPTICAL PATCH ANTENNA WITH ELLIPTICAL NOTCH IN GROUND

By B. K. Shukla, N. Kashyap, and R. K. Baghel

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Abstract:
A circular slotted elliptical patch antenna with an elliptical notch in ground for L-band and S-band application is presented. The proposed antenna consists of an elliptical patch with a circular notch on the top layer of a substrate, and a wide elliptical slot and an elliptical notch with two symmetrical slots on the bottom layer of the same substrate. The proposed antenna was fabricated on an FR-4 substrate (tan(δ) = 0.02, εr = 4.3) with the thickness of 1.6 mm, and it was excited by coaxial feed joined with microstrip line through via. The proposed antenna exhibited the bandwidth of 110.28% from 1.2 GHz to 4.15 GHz for |S11|. Surface current distribution and radiation pattern at resonating frequencies 1.71, 2.28, 3.03 and 3.84 GHz were analyzed. Evolution of the antenna and effect of parameters were also studied to know the behavior of the antenna.

Citation:
B. K. Shukla, N. Kashyap, and R. K. Baghel, "Circular Slotted Elliptical Patch Antenna with Elliptical Notch in Ground," Progress In Electromagnetics Research C, Vol. 74, 181-189, 2017.
doi:10.2528/PIERC17032705

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