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Design of a Compact Dual Circular-Polarized Antenna for L-Band Satellite Applications

  • Autori: Harine, Govindarajan; Pavone, Santi Concetto; Di Donato, Loreto; Di Mariano, Paolo; Distefano, Giuseppe; Livreri, Patrizia; N, Prabagarane; Squadrito, Concetto; Sorbello, Gino
  • Anno di pubblicazione: 2020
  • Tipologia: Articolo in rivista
  • OA Link:


In this paper, we propose the design of a dual circular-polarized antenna for L-band applications (1.1-1.6 GHz). The designed antenna has been developed by considering crossed-dipoles on top of which a circular patch has been placed to properly act on the mutual coupling between the dipoles. The dual circular polarization is achieved by feeding dipoles in quadrature. Moreover, to increase the antenna gain and polarization purity at high elevation angles, a fence of passive monopoles has been added. The proposed antenna can profitably used as primary feed of a low-frequency parabolic reflector.