Ecuaciones de diseño para la antena Cuasi Yagi-Uda operando en la banda UHF (Design equations for the Quasi Yagi-Uda antenna operating in the UHF band)

Carlos Ivan Paez (paez.carlos@javeriana.edu.co)1, Juan Guillermo Estrada (estrada.j@javeriana.edu.co)1, Arturo Fajardo (fajardoa@javeriana.edu.co)1


1Pontificia Universidad Javeriana

This paper appears in: Revista IEEE América Latina

Publication Date: March 2016
Volume: 14,   Issue: 3 
ISSN: 1548-0992


Abstract:
Design equations for the standard Quasi Yagi-Uda antenna built on 60 mil FR4 are presented to be used on fixed wireless telecommunication systems, Wi-Fi, WiMAX and LTE. In this work, the design equations are systematically proposed for the band between 1 GHz and 3 GHz, where relative bandwidth is better than 39%, the cross-polarization is lower than - 15dB for every angle and frequency, the cross-polarization is lower than -25dB in the main lobe and a front to back ratio better than 12dB in all the bandwidth. Three antennas where designed, built and measured with the proposed equations at 1.5GHz, 2GHz and 3 GHz, showing good agreement with the simulation results.

Index Terms:
Planar antennas,Broadband antenas,Quasi Yagi-Uda antenna   


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