Dual mode/dual band feed structure

Details Dual mode/dual band feed structure Dual mode/dual band feed structure

1992-02-06

1993-06-01

Hille, Rolf

Communications: radio wave antennas

Antennas

Wave guide type

343776, 343772, H01Q 1300

Patent

active

052164322

ABSTRACT:
A feed structure (24) is disclosed which facilitates reception of orthogonal linearly polarized signals from communication satellites. The structure includes probes (34, 36) combined in a cavity (28) with transmission members (50, 52) and an isolation member (54). The structure is particularly suited to enhance high signal to noise ratios because of short path lengths to external receiver circuits and to enable realization in simple economical one piece castings. The teachings of the invention are shown extended to dual band feed structures (124).

REFERENCES:
patent: 3358287 (1967-12-01), Brueckmann
patent: 3389394 (1968-06-01), Lewis
patent: 3573838 (1971-04-01), Ajioka
patent: 3864687 (1975-02-01), Walters et al.
patent: 4595890 (1986-06-01), Cloutier
patent: 4996535 (1991-02-01), Profera, Jr.

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