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Low-Return-Loss Printed Log-Periodic Dipole Antenna

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.
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Submitted on : Friday, September 26, 2014 - 10:07:01 AM
Last modification on : Thursday, January 7, 2021 - 4:20:25 PM
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Antoine Chauloux, Franck Colombel, Mohamed Himdi, Jean-Louis Lasserre, Philippe Pouliguen. Low-Return-Loss Printed Log-Periodic Dipole Antenna. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2014, 13, pp.503 - 506. ⟨10.1109/LAWP.2014.2310057⟩. ⟨hal-01068655⟩



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