Permanent magnet circulator having U-shaped ferrites and magnets

Details Permanent magnet circulator having U-shaped ferrites and magnets Permanent magnet circulator having U-shaped ferrites and magnets

1989-05-30

1990-04-10

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 242, 333 241, H01P 1397

Patent

active

049164147

ABSTRACT:
A circulator for duplexing microwave signals is shown to consist of a pair of folded magic-T hybrid junctions with a nonreciprocal phase shift section disposed between the parallel ports of such junctions, the nonreciprocal phase shift section being made up of U-shaped ferrites supported between the insides of H-plane walls in a rectangular waveguide and U-shaped permanent magnets adjustably supported on the outsides of the H-plane walls so that the magnetic flux in the U-shaped ferrites may be changed as required.

REFERENCES:
patent: 2866949 (1958-12-01), Tillotson
patent: 3036278 (1962-05-01), Chait et al.
patent: 3187274 (1965-06-01), Owen et al.
patent: 4039975 (1977-08-01), Debski
Author Merrill I. Skolnik, Radar Handbook, McGraw-Hill, Inc, 1970, pp. 8-23.

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