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An original new design of microwave structure for integrating filter and antenna functions on a single device is presented. The structure is composed of a partially metallized dielectric plate enclosed in a parallelepipedic cavity. This topology allows a high integration in a planar environment type, and is suitable for high frequencies filtering and powers applications.Io order to validate the multilayer radiant filter concept, an opened two-pole filter using two superposed cavities coupled hy a metallic iris is presented. Its filtering and radiating functions are optimized in the same time to present some required electrical performances. Moreover, to show the use variety of the antenna, two examples of use are described. The first one presents a coupled array of two radiant filters, and the second one an antenna with circular polarization radiation.

The objective of this paper is to present in progress developments on reconfigurable antennas using the MEMS technology

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