Tunable planar capacitor

Details Tunable planar capacitor Tunable planar capacitor

2005-11-29

2005-11-29

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Coupling networks

Nonreciprocal gyromagnetic type

C257S595000

Reexamination Certificate

active

06970055

ABSTRACT:
A tunable capacitor that introduces significantly less loss, if any, costs less and is smaller than previously available. A bias electrode is coupled to a FE material. The capacitor electrodes are electro-magnetically coupled to the FE material, such that the capacitor electrodes and the bias electrode are not touching. Only non-conductive material is in the gap defined by the capacitor electrodes. The bias electrode is used to apply a variable DC voltage to the FE material. A capacitor electrode serves as a DC ground for producing a variable DC field between the bias electrode and the capacitor electrodes.

REFERENCES:
patent: 3569795 (1971-03-01), Gikow
patent: 6727535 (2004-04-01), Sengupta et al.

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