Antenna system for an rf data communications device

Details Antenna system for an rf data communications device Antenna system for an rf data communications device

H - Electricity

01

Q

H01Q 1/22 (2006.01)

Patent

CA 2265948

An RF data communications device antenna system (10) is shown that includes a dipole and an electromagnetic coupler (16) that provides coupling between each dipole arm (22, 24) to establish a desired resonant bandwith. An LC matching circuit (30) is provided for matching the dipole to the impedance of the RF data communications device and for transforming the RF signal between the dipole arms of the antenna system.

L'invention porte sur un système (10) d'antenne pour dispositif RF de transmission de données comportant un dipôle et un coupleur électromagnétique (16) assurant le couplage entre chacune des branches du dipôle (22, 24) afin d'établir la bande de fréquences de résonance désirée. Un circuit d'adaptation LC (30) adapte le dipôle à l'impédance du dispositif RF de transmission de données et transforme le signal RF le signal RF entre les branches du dipôle du système d'antenne.

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