Temperature compensated circulator

Details Temperature compensated circulator Temperature compensated circulator

1985-11-12

1987-06-23

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 241, H01P 1387

Patent

active

046756213

ABSTRACT:
A microwave ferrite circulator has a conductive junction with three equal angular conductors connected to serve as ports of the circulator. Ferrite plates are positioned on opposite sides of the conductive junction. Magnetic members form a magnetic coupling path between a permanent magnet and the ferrite plates. A bimetal strip is positioned in the magnetic coupling path between the magnet and the ferrite plates for altering the coupling as a function of temperature to thereby compensate for changes in tuning due to changes in temperatures of the circulator.

REFERENCES:
patent: 3614670 (1971-10-01), Wilson
patent: 3935549 (1976-01-01), Jachowski
patent: 4209756 (1980-06-01), Jin et al.
patent: 4276522 (1981-06-01), Coerver
patent: 4456898 (1984-06-01), Frischmann
Lissner, Temperature Compensated Permanent Magnet, IBM Tech. Discl. Bulletin, vol. 15, No. 5, Oct. 1972, p. 1422.

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