Abstract
AbstractIn this paper, Tapered Vivaldi Antenna (TVA) is designed and fabricated for millimeter waves Applications. Two different TVA structures are designed and compared the radiation characteristics in the frequency band from 50 to 60 GHz. The return loss is shown below −10 dB in the operating band. Performance characteristics of the first TVA structure is improved by another TVA having an extended substrate. The modified structure shows the better directive gain and radiation efficiency. The extended substrate TVA is fabricated and measured in the laboratory and validated with the simulated results. The observed maximum gain is 9.8 dB, and radiation efficiency is 92.6\(\%\). The proposed design is suitable for 5G and WLAN applications.KeywordsTapered Vivaldi AntennaExtended substrate5GWLANMilli-meter wave applications
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