Design equations for the Quasi Yagi-Uda antenna operating in the UHF band

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 be...

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Bibliographic Details
Published in:Revista IEEE América Latina 2016-03, Vol.14 (3), p.1122-1128
Main Authors: Paez, Carlos Ivan, Estrada, Juan Guillermo, Fajardo, Arturo
Format: Article
Language:English
Subjects:
Antenna measurements
Bandwidth
Broadband antenas
Broadband antennas
Conductors
Impedance matching
Mathematical model
Planar antennas
Quasi Yagi-Uda antenna
Yagi-Uda antennas
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Summary: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.
ISSN:1548-0992
1548-0992
DOI:10.1109/TLA.2016.7459588