Double balanced compact mixer using microwave monolithic...

Details Double balanced compact mixer using microwave monolithic... Double balanced compact mixer using microwave monolithic...

H - Electricity

04

B

H04B 1/26 (2006.01) H03D 9/06 (2006.01) H03D 7/12 (2006.01) H03D 7/14 (2006.01)

Patent

CA 2259262

The invention concerns a double balanced mixer with cold FET (11-14) quad (10), comprising couplers at 180· for the quad (10) input/output accesses, said couplers being .lambda./16 couplers (21, 22) with 3 lines directly coupled in cascade with the quad (10). The invention enables to reduce the space requirement by a factor of 5.4 in Ku-band with respect to the cold FET quad mixer using .lambda./4 couplers.

L'invention concerne un mélangeur doublement équilibré à quad (10) de TECs froids (11 à 14). Il comprend des coupleurs à 180~ pour les accès entrée/sortie du quad (10), ces coupleurs étant des coupleurs (21, 22) en .lambda./16 à 3 lignes couplées directement cascadés avec le quad (10). L'invention permet d'obtenir un gain en encombrement d'un facteur 5,4 en bande KU par rapport à un mélangeur à quad de TECs froids employant des coupleurs en .lambda./4.

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