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Design optimization of a low-power micromachined fluxgate sensor using localized core saturation method

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2 Author(s)
Wu, Pei-Ming ; Dept. of Electr. & Comput. Eng. & Comput. Sci., Cincinnati Univ., OH ; Ahn, C.H.

This paper presents the design optimization of a micromachined ring-type fluxgate sensor with localized saturation core to obtain low power consumption. The design optimization has been performed for finding a model with lowest excitation current, so the function of fluxgate can be achieved with low power consumption. The optimized model exhibits an excitation current of 100 mA, sensitivity of 540 V/T at 60 muT, and span of ~300 muT, with a power consumption of 25 mW

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Electromagnetic Field Computation, 2006 12th Biennial IEEE Conference on

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