Parametric study on the use of magneto-dielectric materials for antenna miniaturization

In this paper results of a parametric study showing the advantages of using magneto-dielectric materials, in comparison with pure dielectrics, as substrate support for miniature printed antenna, are presented. Further to the reported widening of the frequency bandwidth, it is shown that for a given...

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Hauptverfasser:	Louzir, A, Minard, P, Pintos, J F
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Bandwidth Impedance Magnetic resonance Materials Slot antennas
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creator	Louzir, A Minard, P Pintos, J F
description	In this paper results of a parametric study showing the advantages of using magneto-dielectric materials, in comparison with pure dielectrics, as substrate support for miniature printed antenna, are presented. Further to the reported widening of the frequency bandwidth, it is shown that for a given antenna size and resonant frequency, almost fixed by the refractive index n √ r H r Π of the material, increasing the relative permeability of the material improves the efficiency of the antenna. Obtained results for resonant patch and slot antennas using "theoretical" magneto-dielectric materials with various ratio of wave impedance z w √ r Π/ r H, having realistic magnetic and dielectric loss tangents corresponding to practical substrates, are presented. They show that effect of the magneto dielectric on the performances of printed antennas depends significantly on the chosen antenna structure.
doi_str_mv	10.1109/APS.2010.5561801
format	Conference Proceeding
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subjects	Bandwidth Impedance Magnetic resonance Materials Slot antennas
title	Parametric study on the use of magneto-dielectric materials for antenna miniaturization
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