Circulator type monolithic device

H - Electricity – 01 – P

Patent

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Details

H01P 1/38 (2006.01)

Patent

CA 2640664

The invention concerns a monolithic circulator, designed to be connected to an antenna (2) for transmitting and receiving high frequency signals, comprising: a dual-input differential amplifier (31) capable of supplying a signal on an output (S) of the circulator, and two 3dB couplers (A, B) each including first, second and third access terminals, the second terminals being connected to one input E of the circulator, each third terminal being connected to one input of the amplifier, the first terminals being respectively designed to be connected to the antenna and a load element (30) having an impedance close to that of the antenna.

L'invention concerne un circulateur monolithique, destiné à être relié à une antenne (2) pour émettre et recevoir des signaux haute fréquence, comprenant : un amplificateur différentiel (31) à deux entrées apte à fournir un signal sur une sortie (S) du circulateur, et deux coupleurs 3dB (A,B) comportant chacun des première, deuxième et troisième bornes d'accès, les deuxièmes bornes étant connectées à une entrée E du circulateur, chaque troisième borne étant connectée à une entrée de l'amplificateur, les premières bornes étant respectivement destinées à être reliées à l'antenne et à un élément de charge (30) présentant une impédance proche de celle de l'antenne.

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