Dielectric resonator, dielectric filter, sharing device, and...

Details Dielectric resonator, dielectric filter, sharing device, and... Dielectric resonator, dielectric filter, sharing device, and...

H - Electricity

01

P

H01P 7/10 (2006.01) H01P 1/20 (2006.01) H01P 1/208 (2006.01) H01Q 1/00 (2006.01)

Patent

CA 2232924

There is provided a dielectric resonator which can suppress a spurious output acting as unnecessary resonance and can prevent the out-of-band characteristics of a filter from being degraded. Electrodes having circular openings are formed on a dielectric substrate, and the dielectric substrate is arranged between upper and lower conductive cases. A resonance region is used as a portion between the openings of the dielectric substrate, and columnar members consisting of a wave absorber are arranged between the upper and lower conductive cases.

Résonateur diélectrique capable de supprimer un rayonnement non essentiel constituant une résonance non nécessaire, et de prévenir la dégradation des caractéristiques hors bande d'un filtre. Des électrodes à orifices circulaires sont formées sur un substrat diélectrique disposé entre des boîtiers conducteurs supérieur et inférieur. Une partie de l'intervalle séparant les orifices du substrat électrique est utilisée comme région de résonance, et des éléments absorbeurs d'onde, en forme de colonnes, sont disposés entre les boîtiers conducteurs supérieur et inférieur.

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