Wide-band microwave circulator

Details Wide-band microwave circulator Wide-band microwave circulator

1974-06-04

1976-01-27

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 242, H01P 136, H01P 138

Patent

active

039355489

ABSTRACT:
A planar Y-junction microwave circulator formed by depositing on a ferrite substrate a metallization pattern consisting of a central resonant disc and three transmission line ports radially extending from the periphery of the disc at junctions spaced apart by 120.degree.. The transmission characteristics of the circulator are controlled by a DC magnetic field which biases the ferrite. Wide-band operation on the order of one octave is achieved by using larger port coupling angles and a smaller disc radius than are conventionally used.

REFERENCES:
patent: 3753156 (1973-08-01), Miura et al.
patent: 3758878 (1973-09-01), Wainwright

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