Circuit for dividing or bringing together high-frequency...

H - Electricity – 01 – P

Patent

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H01P 5/04 (2006.01) H01P 5/12 (2006.01)

Patent

CA 2393843

The invention relates to an improved circuit for dividing or bringing together high-frequency performances. The inventive circuit comprises a main line (7) that is switched between an input and a first output port (1, 3) and a branch line (11) which branches off from the main line at a branch point (9) and leads to a second output port (5). The inventive circuit is characterised in that a balancing element (61) which is especially adjustable or can be especially built in or re-moved in different ways is provided. Said element can be changed by changing the capacity of at least one capacitor (C1, C2, C3) which is switched in the branch line (11) and/or by changing the electric length of a spur line (37) which is coupled to the branch line (11), in such a way that the resistance change that is caused by the changed performance division can be compensated when the variable of the branched off performance is changed.

L'invention concerne un circuit amélioré pour diviser ou réunir des puissances haute fréquence. Le circuit selon l'invention comprend une ligne principale (7) qui est montée entre une porte d'entrée et une première porte de sortie (1, 3), et une ligne de dérivation (11) qui part de la ligne principale au niveau d'un point de dérivation (9) et va jusqu'à une seconde porte de sortie (5). Le circuit selon l'invention se caractérise en ce qu'un élément de compensation (61), qui est en particulier réglable ou bien qui peut être incorporé ou retiré de façons différentes, peut être modifié, par modification de la capacité d'au moins un condensateur (C1, C2, C3) monté dans la ligne de dérivation (11) et/ou modification de la longueur électrique d'une ligne de branchement (37) couplée à la ligne de dérivation (11), de telle sorte que le changement de résistance résultant de la division de puissance modifiée peut être compensé simultanément avec la grandeur modifiée de la puissance dérivée.

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