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International Journal of Antennas and Propagation
Volume 2012, Article ID 290285, 5 pages
http://dx.doi.org/10.1155/2012/290285
Research Article

Beam-Scanning Reflectarray Based on a Single Varactor-Tuned Element

Dipartimento di Elettronica, Informatica e Sistemistica, Università della Calabria, 87036 Rende, Italy

Received 3 February 2012; Accepted 16 April 2012

Academic Editor: Raphaël Gillard

Copyright © 2012 F. Venneri et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A single varactor-tuned element is investigated as effective solution for the realization of reconfigurable reflectarray antennas. The proposed configuration is successfully implemented for the design of an X-band reflectarray prototype of 3 × 1 5 radiators. A dedicated electronic control board is designed as an integral part of the antenna. Good performances in terms of beam-scanning capabilities are obtained from measurements.