MAGNETIC FIELD SENSOR
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United States of America Patent
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Aug 22, 2013
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Aug 22, 2012
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Abstract
Embodiments of the present invention provide a magnetic field sensor having a first current path, a second current path, a signal generator and an evaluator. The first current path has a first coil area, and the second current path has a second coil area, wherein the first coil area has windings in a first winding direction around a first magnetic core area, and wherein the second coil area has windings in a second winding direction around a second magnetic core area. The signal generator is implemented to provide an excitation current which divides into the first and second current paths. The evaluator is implemented to tap a voltage between the first and second coil areas and to detect an external magnetic field based on the voltage.
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