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All Journal Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi
Isman Wahyudi
University of North Sumatra
Aerospace Engineering Astronomy Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering

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Design Of Dipole Microstrip Antenna With Cohen-Minkowski Fractal For 433 433 Mhz Frequency Isman Wahyudi
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 11 No. 2 (2020): October: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v11i2.11

Abstract

This final project discusses the design of a dipole microstrip antenna with Cohen-Minkowski fractals for a frequency of 433 MHz which can be applied to Industrial, Scientific, and Medical (ISM) Band channels. The microstrip antenna uses a substrate made from FR-4 with a thickness of 1.6 mm and a channel impedance of 75 . Antenna design and simulation using AWR Microwave Office 2004 Software.The results of the design using the Cohen-Minkowski fractal can minimize the antenna size by 29% iteration-1, and 40% iteration-2 so as to give a VSWR value of 1.02 for the dipole without iteration, 1.74 for the iteration-1 fractal dipole, and 1, 26 iterations of fractal dipoles. The return loss resulting from the antenna design is -37.7 for the dipole without iteration, -11.29 for the iteration-1 fractal dipole, and -18.69 for the iteration-2 fractal. Then the gain obtained from the antenna design is 4.78 dB for the dipole without iteration, 4.91 dB for the iteration-1 fractal dipole, and 4.78 dB for the iteration-2 fractal dipole. The radiation pattern generated from the antenna is unidirectional.
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