Title :
Low-Return-Loss Printed Log-Periodic Dipole Antenna
Author :
Chauloux, Antoine ; Colombel, Franck ; Himdi, Mohamed ; Lasserre, Jean-Louis ; Pouliguen, P.
Author_Institution :
Inst. d´Electron. et Telecommun. de Rennes (IETR), Univ. de Rennes 1, Rennes, France
Abstract :
In this letter, a low-return-loss printed log-periodic dipole antenna (PLPDA) fed by a coaxial cable is presented. The widths of dipole elements are optimized to increase the bandwidth. A study of coaxial cable position is included in order to improve the antenna behavior. The measured return loss is lower than -15 dB from 2.1 to 4.3 GHz. The measured gain varies between 6 and 7 dBi. The measurements, including input impedance, gain and radiation patterns, and simulations are in agreement.
Keywords :
UHF antennas; coaxial cables; dipole antennas; log periodic antennas; microstrip antennas; microwave antennas; coaxial cable; dipole antenna; input impedance; log-periodic antenna; low-return-loss antenna; printed antenna; radiation patterns; Antenna measurements; Bandwidth; Coaxial cables; Dipole antennas; Loss measurement; Coaxial cable; low return loss; printed log-periodic dipole antenna array (PLPDA);
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2014.2310057
