Multimode coupling system including a funnel-shaped...

Details Multimode coupling system including a funnel-shaped... Multimode coupling system including a funnel-shaped...

H - Electricity

01

P

333/16

H01P 5/12 (2006.01) H01P 1/16 (2006.01) H01P 1/213 (2006.01)

Patent

CA 1069988

MULTIMODE COUPLING SYSTEM INCLUDING A FUNNEL-SHAPED MULTIMODE, COUPLER Abstract A multimode coupling system for coupling symmetrical waveguide mode signals and two or more tracking asymmetrical waveguide mode signals includes a funnel-shaped coupler with a plurality of coupling apertures located in the side wall thereof. A first four of these side wall apertures lie in a first common plane at a given distance from the small aperture end of the coupler. A second four of these apertures lie in a second common plane a second given distance from the small aperture end of the coupler. A first coupling circuit is provided between the first group of side wall apertures and an asymmetrical mode terminal, and a second coupling circuit is provided between the second four apertures in the second plane and a second asymmetrical mode terminal. Each coupling circuit includes a separate filter for each aperture, with the filters coupled to the first four side wall apertures adapted to pass signals at a first frequency band and with the filters coupled to the second four side wall apertures adapted to pass signals at a second frequency band. -1-

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