Radio station with circularly polarised antennas

Details Radio station with circularly polarised antennas Radio station with circularly polarised antennas

H - Electricity

04

B

H04B 7/04 (2006.01) H01Q 21/24 (2006.01) H04B 7/10 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2249658

A radio station including two antennas (10, 12) combined with respective first and second hybrid transmission polarisation couplers (143, 144) is disclosed. Each antenna is arranged to generate two orthogonal electric field components in response to two respective quadrature radio signals from the corresponding polarisation coupler. The station further includes at least one hybrid distribution coupler (141) with a first output (C1) connected to a first input (A3) of the first polarisation coupler (143) and a second output (D1) connected to a first input (A4) of the second polarisation coupler (144), and at least one radio signal source (T1) delivering a radio signal to a first input (A1) of the distribution coupler (141).

La station radio comprend deux antennes (10, 12) respectivement associées à des premier et second coupleurs hybrides de polarisation en émission (14¿3?, 14¿4?). Chaque antenne est agencée pour générer deux composantes de champ électrique orthogonales en réponse à deux signaux radio respectifs en quadrature délivrés par son coupleur de polarisation associé. La station comprend en outre au moins un coupleur hybride de distribution (14¿1?) ayant une première sortie (C1) reliée à une première entrée (A3) du premier coupleur de polarisation (14¿3?) et une seconde sortie (D1) reliée à une première entrée (A4) du second coupleur de polarisation (14¿4?), et au moins une source de signal radio (T1) délivrant un signal radio à une première entrée (A1) du coupleur de distribution (14¿1?).

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