High-frequency band pass filter assembly, comprising...

Details High-frequency band pass filter assembly, comprising... High-frequency band pass filter assembly, comprising...

H - Electricity

01

P

H01P 1/202 (2006.01) H01P 1/203 (2006.01) H01P 1/209 (2006.01)

Patent

CA 2383777

The invention relates to a high-frequency band pass filter assembly, comprising a master resonator and at least one stop-band resonator which is coupled thereto. The aim of the invention is to construct a filter structure in such a way, that with a given number of poles, the highest possible number of transmission zero positions occur in the stop bands, whereby in relation to known resonator configurations, no overcoupling is used between non-adjoining resonators. To this end, the stop-band resonator(s) is/are coupled to the master resonator in such a way that the stop-band resonator generates both transmission zero positions and transmission pole positions in tandem with the master resonator.

L'invention concerne un système de filtre passe-bande haute fréquence comportant un résonateur maître et au moins un résonateur d'élimination couplé au résonateur maître. L'invention vise à créer une structure de filtre telle que, pour un nombre de pôles donné, on obtienne un nombre aussi élevé que possible de zéros de transmission dans les bandes éliminées sans utiliser de surcouplage entre résonateurs non voisins contrairement à des configurations de résonateur connues. A cet effet, le résonateur d'élimination est couplé au résonateur maître de telle façon qu'il génère, en une fonction double avec le résonateur maître, aussi bien des zéros de transmission que des pôles de transmission.

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