Tunable Dielectric Resonator Antennas Using Voltage-Controlled Mechanical Deformation

Abstract:

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We present a new concept for compact, tunable antennas. Traditional approaches have circuits and switchable elements which can be bulky and lossy. Here we investigate structures which offer direct tuning through voltage-controlled deformation of the radiating structure itself. The antenna is a dielectric resonator (DRA), where the antenna impedance and tuning depends on the shape of the dielectric. The deformation action is through using electro-active polymer (EAP) for the dielectric. EAPs have promising properties for smart antennas and ongoing developments are continuing to improve its suitability.

Info:

Periodical:

Edited by:

Pietro VINCENZINI and Fabio CASCIATI

Pages:

614-619

DOI:

10.4028/www.scientific.net/AST.56.614

Citation:

A. Mahanfar et al., "Tunable Dielectric Resonator Antennas Using Voltage-Controlled Mechanical Deformation", Advances in Science and Technology, Vol. 56, pp. 614-619, 2008

Online since:

September 2008

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Price:

$35.00

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