Lumped circuit circulator with adjustable band widening circuit

Details Lumped circuit circulator with adjustable band widening circuit Lumped circuit circulator with adjustable band widening circuit

1979-03-01

1981-03-24

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333263, H01P 1387

Patent

active

042583390

ABSTRACT:
The band widening circuit consists of a section of microstrip with adjustable characteristic impedance connected in series with an adjustable capacitor both connected to the three interleaved conductive pattern of the circulator. The preferred mode consists of a microstrip with air as dielectric and a conductive plate movable with respect to the conductive strip in the shape of a spiral. The capacitor is a conductive plunger movable in a conductively coated recess of a substrate for the conductive strip of the microstrip line section.

REFERENCES:
patent: 3085212 (1963-04-01), Clark et al.
patent: 3605040 (1971-09-01), Knerr et al.
patent: 3614675 (1971-10-01), Konishi
patent: 3836874 (1974-09-01), Maeda et al.
patent: 3890582 (1975-06-01), Jeong
patent: 4174506 (1979-11-01), Ogawa

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