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Double-Sided Bowtie Antenna Array for Ku/K Band Applications and Performance Study of Controlling Ground Plane
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  • Md. Rabiul Hasan,
  • Carlene Goodbody,
  • Tuan Nguyen,
  • Tutku Karacolak
Md. Rabiul Hasan
Washington State University - Vancouver
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Carlene Goodbody
Washington State University - Vancouver
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Tuan Nguyen
Washington State University - Vancouver
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Tutku Karacolak
Washington State University - Vancouver
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Abstract

For having adapted to the various national spectral regulatory authorities, it is preferred to have a design of antenna that can be easily modified to be compatible with the different requirements. To fulfill the demand, a double-sided bowtie antenna operating within K and Ku band is investigated in this project. This antenna consists of two modified bow-tie structures patched on opposite sides of the substrate, where the lower one acts as a ground plane. It is composed on TSM- DS3M substrate and has dimensions of 17.8 x 14.2 x 0.51 mm3. The partial ground plan shows significant effects on antenna characteristics such as radiation pattern and bandwidth. This model can also work for different wideband technology because the percentage bandwidth can be easily switched from 26.995% to 71.84% by changing the length of the partial ground plane. Overall system performance of this model is improved by investigating different array configurations. Four and eight elements array have been designed in this research. The output characteristics of the array, such as radiation pattern, return loss, and peak realized gain are studied along with the single antenna parameters.