A Frog Paws Log Periodic Antenna with Lateral Circular Patch for UWB Applications

Authors: Gustavo F. Vicentine; De Oliveira, Alexandre Maniçoba; Raimundo E. Figueredo; Heitor G. da Costa; Gabriel D. Viana; SANTOS DE OLIVEIRA, CHARLES ARTUR; De Carvalho Junior, Arnaldo; +2 Authors

doi: 10.5281/zenodo.10052198 , 10.5281/zenodo.10052197

A Frog Paws Log Periodic Antenna with Lateral Circular Patch for UWB Applications

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Abstract

In this paper we propose a new Planar Log-Periodic antenna, called Frog Paw Log-Periodic Dipole Array (FPLPDA). The antenna was based on Carrel's design, inserting lateral circular patches (LCP) into the dipoles to reduce the lower-frequency limit (LFL). The FPLPDA antenna was analyzed with Ansys HFSS software and compared to a Log-Periodic Dipole Array (LPDA) with the Carrel design for 1.5 to 4.0 GHz operation. The FPLPDA operated from 1.1 to 4.5 GHz with reflection coefficient (S11) less than -10 dB, increasing the bandwidth, reducing the LFL.

Related Organizations

Universidade de São Paulo
Brazil
Federal Institute of São Paulo
Brazil

Keywords

log-periodic antenna, UWB, planar antennas, simulation, patches

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