Edge-guided mode non-reciprocal circuit element for microwave en

Details Edge-guided mode non-reciprocal circuit element for microwave en Edge-guided mode non-reciprocal circuit element for microwave en

1975-09-02

1977-09-20

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 242, H01P 136, H01P 138

Patent

active

040500381

ABSTRACT:
Isolators and asymmetrical circulators of the non-reciprocal type employing tapered conductors positioned upon a ferrimagnetic member wherein means are provided for creating a localized non-uniform D.C. magnetic field in the region of one edge of the tapered conductor and of a field strength sufficient to cause the ferrimagnetic slab to create a magnetic resonance condition within a predetermined frequency range.
In one embodiment the non-uniform localized magnetic field is produced by a magnetic member positioned along said one edge.
In another embodiment the magnetic member may be eliminated and the said one edge may be aligned with or extended beyond one edge of the ferrimagnetic slab to obtain the non-uniform magnetic field.

REFERENCES:
patent: 3534299 (1970-10-01), Eberhardt
patent: 3617951 (1971-11-01), Anderson
patent: 3886502 (1975-05-01), Radding et al.
patent: 4006434 (1977-02-01), De Santis et al.

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