Circuit for increasing the impedance of a winding wound around t

Details Circuit for increasing the impedance of a winding wound around t Circuit for increasing the impedance of a winding wound around t

1975-05-09

1976-11-23

Envall, Jr., R. N.

Electricity: power supply or regulation systems

Remote sensing

323 44R, 336212, H01F 2724

Patent

active

039939375

ABSTRACT:
A principal winding is wound around two cores made of soft magnetic material. The principal winding has N turns. Wound around only one of the two cores is a magnetizing winding. A decoupling amplifier of gain v.sub.1 energizes the magnetizing winding via the amplifier output, and the amplifier has an input across which is applied the voltage across the principal winding. The magnetizing winding has v.sub.1.N turns. If the principal winding and the magnetizing winding have the same winding direction, then the gain of the decoupling amplifier is chosen positive. If the principal winding and the magnetizing winding have opposite winding directions, then the gain of the decoupling amplifier is chosen negative.

REFERENCES:
patent: 3316504 (1967-04-01), Rockwell
patent: 3489955 (1970-01-01), Freeborn

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