Multimode coupling system including a funnel-shaped multimode co

Details Multimode coupling system including a funnel-shaped multimode co Multimode coupling system including a funnel-shaped multimode co

1976-07-06

1977-06-14

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

With balanced circuits

333 21R, 333 21A, 333 73W, 343 16M, 343786, H01P 116, H01P 512

Patent

active

040300480

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.

REFERENCES:
patent: 3696434 (1972-10-01), Sciambi, Jr.
patent: 3936838 (1976-02-01), Foldes

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