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Design and Implementation of Dual-Stacked Identical Yagi Antenna for UHF Applications

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Design and Implementation of Dual-Stacked Identical Yagi Antenna for UHF Applications


J. Ilouno | M. Awoji | J. E. Onuh

https://doi.org/10.31142/ijtsrd14377



J. Ilouno | M. Awoji | J. E. Onuh "Design and Implementation of Dual-Stacked Identical Yagi Antenna for UHF Applications" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4, June 2018, pp.1368-1371, URL: https://www.ijtsrd.com/papers/ijtsrd14377.pdf

This paper presents the design and implementation of dual-stacked identical Yagi antenna. An Antenna is an essential terminal device in all forms of communication and radar systems. Without an antenna there would be neither communication system nor radar system. An antenna acts as a source as well as a sensor of electromagnetic waves. The design was done using an online Yagi calculator software (AN-SOF Antenna Simulator) which calculated the length, diameter, and the spacing of the materials (elements and boom) used in the construction. The Yagi antenna implementation was carried out using a cutting machine in cutting off various lengths of the elements specified by the Yagi calculator software. Thereafter, the elements were arranged on the aluminum boom and the coaxial cable impedances and dipole element were matched. The identical Yagi antennas were stacked (1020 mm center to center spacing)vertically leading to an increase in gain of 15.4 dBwhen compared with 12.7 dBgain obtainable from a single Yagi antenna and larger capture area (effective aperture).This design was able to solve the problems of underground noise, interference, low picture quality, low gain, and large beamwidth associated with a single Yagi antenna. This antenna can be used for UHF (300–3000 MHz) applications.

Antenna, Yagi, Dual-Stacked, Gain


IJTSRD14377
Volume-2 | Issue-4, June 2018
1368-1371
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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