Microwave filter

Details Microwave filter Microwave filter

H - Electricity

01

P

H01P 1/20 (2006.01) H03H 7/52 (2006.01)

Patent

CA 2178727

A variable Q reflection mode filter having a three port circulator device one port of which is terminated by a one-port filter. The filter increases the overall 3dB resonance point of the filter to reduce the uploaded Q factors required for particular applitcations. The filter may be arranged to provide a maximally flat response or a quasi equiripple response. Transmission zeros may be incorporated, to further enhance the effective unloaded Q.

Filtre de mode à réflexion à coefficient de qualité variable, comportant un circulateur à trois accès dont un accès aboutit à un filtre à un accès. Le filtre augmente le point de résonance globale à 3 dB du filtre pour réduire les coefficients de qualité sans charge exigés pour des applications particulières. Le filtre peut être monté pour fournir une réponse plate au maximum ou bien une réponse à ondulations pratiquement égales. Des valeurs nulles de transmission peuvent être intégrées pour améliorer encore le coefficient de qualité effectif sans charge.

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