Microwave phase shifter

Details Microwave phase shifter Microwave phase shifter

1988-02-17

1989-06-06

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Nonreciprocal gyromagnetic type

333 11, 333158, H01P 119

Patent

active

048375284

ABSTRACT:
A phase shifter suitable for operation at very high high-frequency power is composed of a waveguide in which ferromagnetic material is distributed along at least one plane extending in the direction of wave propagation. The ferromagnetic material is exposed to a static magnetic field oriented parallel to the plane. The ferromagnetic material is shaped so that it forms a plurality of three-dimensional regions which extend in the direction of the applied static magnetic field from one waveguide wall to the opposite waveguide wall. These regions may be provided by a plurality of ferromagnetic rods, preferably housed in one or more dielectric containers to direct a flow of coolant fluid, or by a ferromagnetic body having a plurality of bores. Such bores also preferably direct a flow of coolant fluid.

REFERENCES:
patent: 2956245 (1960-10-01), Duncan
patent: 3036278 (1962-05-01), Chait et al.
patent: 3408597 (1968-10-01), Heiter
patent: 3434076 (1969-03-01), Johnson
patent: 3629735 (1971-12-01), Carter et al.
patent: 4122418 (1978-10-01), Nagao
Von Aulock, "Selection of Ferrite Materials for Microwave Device Applications", IEEE Transactions on Magnetics, vol. Mag--2, No. 3, (Sep. 1966), pp. 251-255.

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