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2021-08-21

A CPW Fed Clown-Shaped Super Wideband Antenna

By Rahul Kumar Garg, Sarthak Singhal, and Raghuvir S. Tomar
Progress In Electromagnetics Research Letters, Vol. 99, 159-167, 2021
doi:10.2528/PIERL21070502

Abstract

A Clown-shaped patch antenna for super wideband applications is presented. The radiator is placed on a 1.6 mm thick, RT/Duroid 5880 substrate and is fed using a 50 Ω symmetric coplanar waveguide. The size of the proposed antenna is 26 × 27 mm2 (0.256λL × 0.266λL, where λL is the wavelength at the lower band edge frequency i.e. 2.96 GHz). The radiator is a combination of an ellipse, a rectangle, and a triangle. An impedance bandwidth of 2.96 GHz to more than 100 GHz (i.e. more than 33.78:1 ratio bandwidth) is achieved. Nearly-omnidirectional radiation patterns with an average gain of 6 dBi are achieved. A fractional bandwidth greater than 188.5%, a size reduction of ~97%, and a comparable bandwidth dimension ratio of 2768 are achieved. The investigated antenna has additional advantages like compactness, planar geometry, and super-wide bandwidth.

Citation


Rahul Kumar Garg, Sarthak Singhal, and Raghuvir S. Tomar, "A CPW Fed Clown-Shaped Super Wideband Antenna," Progress In Electromagnetics Research Letters, Vol. 99, 159-167, 2021.
doi:10.2528/PIERL21070502
http://www.jpier.org/PIERL/pier.php?paper=21070502

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