Vol. 38

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2013-03-06

Design of a Printed Log-Periodic Dipole Array for Ultra-Wideband Applications

By Giovanni Andrea Casula, Paolo Maxia, Giuseppe Mazzarella, and Giorgio Montisci
Progress In Electromagnetics Research C, Vol. 38, 15-26, 2013
doi:10.2528/PIERC13012704

Abstract

A printed Log-periodic dipole array (LPDA) is presented, operating over the C, X and Ku bands. The antenna feeding structure consists of two coaxial cables, in order to realize an infinite balun which provides the required broadband input matching. The second coaxial cable mirrors the first one, connected to the antenna input, and is capable of both stabilizing the antenna phase center and improving the radiation pattern. The antenna has been designed using CST Microwave Studio, with an useful frequency range of 4-18 GHz. Moreover, both simulated and measured results show that the proposed LPDA can be successfully used as an Ultra Wideband Antenna in the range 4.25-13.25 GHz, in which its phase center remains stable.

Citation


Giovanni Andrea Casula, Paolo Maxia, Giuseppe Mazzarella, and Giorgio Montisci, "Design of a Printed Log-Periodic Dipole Array for Ultra-Wideband Applications," Progress In Electromagnetics Research C, Vol. 38, 15-26, 2013.
doi:10.2528/PIERC13012704
http://jpier.org/PIERC/pier.php?paper=13012704

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