A New Magneto-Dielectric Material Loaded, Tunable UHF Antenna for Handheld Devices
- Ferrero, Fabien
- Mattei, Jean-Luc
- Ribero, Jean-Marc
- Staraj, Robert
- Queffelec, Y.
- Chevalier, A.
Publication date
September 2011
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
International audienceIn 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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