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A very simple low profile rectangular dielectric resonator antenna (DRA) is proposed in this paper. A partially printed metallic ground with two stepped section removed has been used. A stepped microstrip feed line is used to excite the DRA. The structure gives a very high bandwidth from 3.71GHz to 13.01 GHz with a band notch at 5.725 GHz. A T shape slot is used in the ground plane to create the notch...
The shape of the radiator of an UWB antenna has a very strong effect to the impedance bandwidth of the antenna. This paper showed that the -10 dB bandwidth of an UWB antenna can be increased even 60 % using elliptical edges instead of straight edges in the radiator and without increasing the largest dimensions of the radiator. Is was also shown that the size of the radiator and the ground plane clearance...
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