A Study of Tri-Axial Fluxgate Magnetometer

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This paper is devoted to study tri-axial fluxgate magnetometer, and it begin with principle of fluxgate magnetometer, and then its structure, electric design and test result analysis are introduced. At present, its development tendency is to simplify and miniaturize, we carried out study of tri-axial fluxgate magnetometer. Its technical specifications such as resolution, noise, response of step up, setting up time and sensitivity meet or even better than original design requirements. At first design of tri-axial fluxgate magnetometer is determined and a transducer is developed. Secondly, a high temperature circuit is developed with SOI (Silicon on Insulator) electronics wafer and hybrid circuit technology. At last, 5 specifications test results are presented from aspects of high temperature and high accuracies, respectively.

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69-75

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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