Broad-band lumped-element circulator

Details Broad-band lumped-element circulator Broad-band lumped-element circulator

1975-10-17

1976-10-05

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 84M, H01P 138

Patent

active

RE0289981

ABSTRACT:
A circulator preferably fabricated using thin film techniques. Broad-band isolation and insertion loss characteristics are obtained in the gigahertz frequency range by replacing the conventional series resonant circuit typically employed in circulation, with three symmetrically arranged lumped parameter LC circuits fabricated by thin-film techniques and having the junctions of the LC elements interconnected through conductive paths, such as inductors, for example.

REFERENCES:
patent: 3522555 (1970-08-01), Hashimoto et al.
patent: 3818381 (1974-06-01), Konishi et al.

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