Dielectric resonator filter

A direct coupled resonator filter having a plurality of resonant cavities such that they are separated by inner walls and a coupling structure couples two adjoining resonant cavities since the coupling structure is located in a slot defined in the inner wall. Thus, a portion of an edge of the slot c...

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Bibliographic Details
Main Authors Carpintero, Isidro Hidalgo, Padilla Cruz, Manuel Jesus, Guijarro, Rafael Tapia
Format Patent
LanguageEnglish
Published 01.08.2006
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Summary:A direct coupled resonator filter having a plurality of resonant cavities such that they are separated by inner walls and a coupling structure couples two adjoining resonant cavities since the coupling structure is located in a slot defined in the inner wall. Thus, a portion of an edge of the slot comes into electrical contact with the coupling structure. In general, this portion of the edge of the slot corresponds to a horizontal edge surface of the inner wall. It should be noted that the coupling structure is perpendicular to a vertical plane defined by the slot.