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In this paper, design concept of multilayer, compact antipodal slot antenna with high performance is presented. The sandwich feed line is connected to two feed pads printed on both sides of a substrate by a metallic via so that the coaxial-cable connector or other components can be directly connected to the antenna. The new antenna's impedance bandwidth is from 3.12GHz to 10.8GHz, which is about 3...
In this paper, we present a modified ultra-wideband (UWB) antenna for ultra-wideband applications such as Wireless Communication and WiMax systems. It consists of a two circular-disc patch fed by a 50 Omega coaxial feed line. The obtained bandwidth (SWR les 2) is about 10 GHz (from 0.650 to 10 GHz with a bandwidth ratio (1:15.4)). The radiation characteristics are as expected for dipole antennas.
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