BANDWIDTH ENHANCEMENT OF VIVALDI ANTENNA USING TRIANGULAR SHAPED SLOTS

Authors

  • Wan Nur Aqilah Wan Ahmad Khairuddin Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, University Teknikal Malaysia Melaka, 76100 Durian Tunggal, Melaka, Malaysia
  • Mohd Azlishah Othman Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, University Teknikal Malaysia Melaka, 76100 Durian Tunggal, Melaka, Malaysia
  • Muhammad Syafiq Noor Azizi Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, University Teknikal Malaysia Melaka, 76100 Durian Tunggal, Melaka, Malaysia
  • Mazri Yaakob Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, University Teknikal Malaysia Melaka, 76100 Durian Tunggal, Melaka, Malaysia
  • Mohamad Hafize Ramli Microwave Research Group, Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, University Teknikal Malaysia Melaka, 76100 Durian Tunggal, Melaka, Malaysia

DOI:

https://doi.org/10.11113/jt.v78.8941

Keywords:

Vivaldi antenna, parameter, return loss, bandwidth, gain, directivity, design

Abstract

This paper discusses about a bandwidth enhancement of Vivaldi antenna loaded using triangular shaped. Firstly, a normal Vivaldi antenna using FR-4 substrate had been designed. Then, the triangular shaped slots had been added at the upper layer of the antenna. It shows the better improvement in return loss, gain, directivity and bandwidth operated at frequency of 10 GHz after the addition of the triangular shaped slot. The advantages of a Vivaldi antenna such as simplicity, wide bandwidth, and high gain at microwave.The return loss of this Vivladiantenna with triangular slot is – 18.495 dB at resonant frequency of 10 GHz while for Vivaldi antenna is - 17.818 dB at 10 GHz for measurement result. This proposed antenna had been designed and simulated using Computer Simulation Technology (CST) simulation software.

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Published

2016-06-08

Issue

Vol. 78 No. 6-3: Advancement on Mechanical and Manufacturing Engineering Technology Part II

Section

Science and Engineering

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Copyright of articles that appear in Jurnal Teknologi belongs exclusively to Penerbit Universiti Teknologi Malaysia (Penerbit UTM Press). This copyright covers the rights to reproduce the article, including reprints, electronic reproductions, or any other reproductions of similar nature.

How to Cite

BANDWIDTH ENHANCEMENT OF VIVALDI ANTENNA USING TRIANGULAR SHAPED SLOTS. (2016). Jurnal Teknologi, 78(6-3). https://doi.org/10.11113/jt.v78.8941