Dielectric loaded cavity for high frequency filters

Details Dielectric loaded cavity for high frequency filters Dielectric loaded cavity for high frequency filters

Category

H - Electricity

Subcategory

01

Subsubcategory

P

IPC codes

H01P 7/10 (2006.01)

Type

Patent

Patent number

CA 2416458

Description

The dielectric loaded cavity for high frequency filters consists of a metal container housing a dielectric block held in position by supporting plates, that also sustains coupling and tuning elements. This invention provides broadband filters, small in size and with low losses. Its high symmetry structure considerably reduces the energising of spurious modes and furthermore facilitates the design using automatic calculation procedures, on the basis of accurate electromagnetic models.

Cette cavité chargée à diélectrique pour filtres haute fréquence est constituée d'un boîtier métallique logeant un bloc diélectrique maintenu en place par des plaques de support qui soutiennent également des éléments de couplage et d'accord. On utilise, dans le cadre de cette invention, des filtres bande large, de petites dimensions et ne subissant que de faibles pertes. La structure très symétrique, qui permet de réduire considérablement l'excitation des modes parasites, facilite la conception faisant appel à des procédures de calculs automatiques, d'après des modèles électromagnétiques précis.

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