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Design and Performance Enhancement of Vivaldi Antenna

Himanshu Monga, Sunita Rani, Silki Baglha

Abstract


These days the ultra-wide band antenna (UWB) is using frequently in special applications such as wireless communications, remote sensing, microwave imaging and in biomedical field. A computer aided design of Vivaldi antenna is developed which is used to study the effect of different parameters such as rate of opening of exponential slot and size of the radius of circular slot on the show of the Vivaldi antenna. The study shows the key features that affect the gain, electric field, SWR and Side Lobes pattern. The design is first simulated on COMSOL multiphysics software, FR4 substrate having dielectric constant 3.38 and fabricated design. The simulation and experimental results show that the SWR is 1.15 at 1.15 GHZ frequency and radius of antenna is 10. Electric field is in this paper 64.

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References


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DOI: https://doi.org/10.37628/jrfd.v2i2.652

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