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A novel ultrawideband (UWB) tapered slot antenna with high directivity is presented. It operates in the frequency range from 2.2 GHz up to 8.5 GHz. The antenna consists of three parts. As feed, a tapered slot on a PCB is used. Additional corrugations at the lateral metallic borders of the tapered structure lead to reduced side lobe levels and a flat gain in the main direction. The PCB is inserted...
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