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All Journal INAJEEE (Indonesian Journal of Electrical and Electronics Engineering)
Alexandre Manicoba de Oliveira
Instituto Federal de São Paulo
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Circular Polarization of the Square, Circular, Triangle, and Hexagonal Microstrip Antenna Nurhayati Nurhayati; Paulen Aulia Lutfia; Raimundo Eider Figueredo Sobrinho; Alexandre Manicoba de Oliveira; João Francisco Justo Filho; Takeshi Fukusako
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 3 No. 1 (2020)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v3n1.p5-9

Abstract

Microstrip antenna with circular polarization can be applied for many applications. Some microstrip antenna with square, circular, triangular, and hexagonal shape has been designed to get return loss, axial ratio, and radiation performance. We compare twelve microstrip antenna by maintaining its substrate dimension, feeding shape, and outer patch dimension. Even though antenna has a circular patch, it doesnt always produce circular polarization. From the simulation, we found that with add some structure, the antenna can reach multiband resonance from 1 to 6 GHz. The Circular patch antenna reached seven numbers of the multiband resonance frequency. The hexagonal patch antenna reaches the highest directivity as 9.53 dBi. The circular polarization is achieved for a square and Hexagonal patch shape with axial ratio value is 1.96 dB at 4 GHz and  1.26 dB at 4.1 GHz sequentially at phi 900 and theta 900. 
Co-Authors João Francisco Justo Filho Nurhayati Nurhayati Paulen Aulia Lutfia Raimundo Eider Figueredo Sobrinho Takeshi Fukusako