Planar filter with ferroelectric and/or antiferroelectric...

Details Planar filter with ferroelectric and/or antiferroelectric... Planar filter with ferroelectric and/or antiferroelectric...

H - Electricity

01

P

H01P 1/217 (2006.01) H01P 1/203 (2006.01)

Patent

CA 2206037

An electrically tunable planar filter has a filter element including a substrate having an upper side and a wave-guide arranged on the upper side of the substrate, at least one tuning element composed of at least one material selected from the group consisting of a ferroelectric material and an antiferroelectric material with adjustable voltage applied to the tuning element and thereby with an adjustable dialectricity constant, the tuning element being arranged at the upper side of the substrate.

L'invention est un filtre planar accordable électriquement comportant un élément de filtrage qui contient un substrat ayant un guide d'ondes formé sur sa face supérieure, au moins un élément d'accord constitué d'au moins un matériau choisi parmi le groupe constitué d'un matériau ferroélectrique et d'un matériau antiferroélectrique avec une tension variable appliquée à l'élément d'accord et qui a donc une constante diélectrique variable, cet élément d'accord étant monté sur la face supérieure du substrat.

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