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Communication Dans Un Congrès Année : 2013

A 3.8 GHz tunable filter based on ferroelectric interdigitated capacitors

Résumé

In this paper, a tunable filter using ferroelectric capacitor is described. The interdigitated capacitor (IDC) is based on Barium Strontium Titanate (BST) thin-film. After the material and capacitor characterization in microwave frequency domain, the IDC has been introduced in a hairpin filter. The characterization of the filter exhibits a center frequency shift from 3.5 GHz (under 0 kV/cm) to 3.9 GHz (under 300 kV/cm) which corresponds to a relative shift of 11.4%.
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Dates et versions

hal-00955674 , version 1 (05-03-2014)

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Areski Ghalem, Freddy Ponchel, Denis Remiens, Tuami Lasri. A 3.8 GHz tunable filter based on ferroelectric interdigitated capacitors. 3rd Joint IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2013, Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials Workshop, PFM 2013, 2013, Prague, Czech Republic. paper ISAF4-M3-3, 252-256, ⟨10.1109/ISAF.2013.6748746⟩. ⟨hal-00955674⟩
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