Reduced height waveguide circulator

Details Reduced height waveguide circulator Reduced height waveguide circulator

1986-04-15

1987-09-29

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 33, H01P 139

Patent

active

046971580

ABSTRACT:
A conductive waveguide structure has a central cavity of full height and input/output ports of a second reduced height emanating therefrom. A smaller ferrite circulator element is centrally disposed within the cavity and has outer extremities spaced from the inner edges of the reduced height input/output ports by a predetermined gap dimension "G" which is chosen to achieve an appropriate impedance match between the impedance of the ferrite element and the higher impedance of the wavguide without the necessity for the usual quarter-wave dielectric impedance matching transformer sections.

REFERENCES:
patent: 3188582 (1965-06-01), Bowness
patent: 3341789 (1967-09-01), Goodman et al.
patent: 3534276 (1970-10-01), Berteaud et al.
patent: 4058780 (1977-11-01), Riblet

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