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A New Magneto-Dielectric Material Loaded, Tunable UHF Antenna for Handheld Devices

Abstract : In this letter, the impact of a magneto-dielectric resonator on a DVB-H antenna is investigated. A frequency reconfigurable antenna using a folded monopole antenna structure and varactor diodes is proposed. Two different designs are realized with and without the resonator. A measured instantaneous -6-dB bandwidth wider than 8 MHz is obtained continuously between 470 and 862 MHz for both prototypes. Design methodology is described. Measured return loss, gain, directivity, and radiation pattern are presented for different frequencies.
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https://hal.archives-ouvertes.fr/hal-00661608
Contributor : Sophie Gaffé-Clément <>
Submitted on : Friday, January 20, 2012 - 10:50:10 AM
Last modification on : Monday, May 3, 2021 - 5:44:01 PM

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Fabien Ferrero, Jean-Luc Mattei, Jean-Marc Ribero, Robert Staraj, Y. Queffelec, et al.. A New Magneto-Dielectric Material Loaded, Tunable UHF Antenna for Handheld Devices. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2011, 10, pp.951-954. ⟨10.1109/LAWP.2011.2167118⟩. ⟨hal-00661608⟩

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