Circulator comprising a spring member between a ferrimagnetic pi

Details Circulator comprising a spring member between a ferrimagnetic pi Circulator comprising a spring member between a ferrimagnetic pi

1977-10-28

1980-06-24

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333246, H01P 138

Patent

active

042097568

ABSTRACT:
In a circulator comprising at least three ports, a pair of opposing conductors providing the ports, and a ferrimagnetic piece between the conductors, a gap appearing between the ferrimagnetic piece and the conductor or conductors is taken up by a spring member located in the gap. The conductors serve as an opposing pair of conductors of a waveguide of the circulator. Alternatively, the conductors serve as ground plates of a stripline with a center conductor disposed between the ground plates and with a pair of ferrimagnetic pieces disposed on both sides of the center conductor between the ground plates. In the latter case, a pair of spring members is preferably located between the ferrimagnetic pieces and the respective ground plates. Preferably, the spring member is made of phosphor bronze and comprises a plate in contact with the ferrimagnetic piece and legs extended from the plate towards the respective ports and brought into contact with the adjacent one of the opposing conductors.

REFERENCES:
patent: 3225318 (1965-12-01), Heithaus
patent: 3421116 (1969-01-01), Frank et al.
patent: 3509270 (1970-04-01), Dube et al.
patent: 3621478 (1971-11-01), Johnson et al.
patent: 3739302 (1973-06-01), McManus

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