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http://dx.doi.org/10.4283/JKMS.2009.19.1.017

Influences of Operation Frequency and Excitation Current on Output Signal of Orthogonal Fluxgate Sensor Fabricated with an Amorphous Wire  

Shin, Kwang-Ho (Department of Multimedia Communication Engineering Kyungsung University)
Publication Information
Journal of the Korean Magnetics Society / v.19, no.1, 2009 , pp. 17-21 More about this Journal
Abstract
In this study, we have investigated that the excitation current and operation frequency dependences of the output properties of the orthogonal fluxgate sensor which was fabricated with a Co base amorphous wire and a pick-up coil. The output signal increased linearly with increase of the excitation current below 0.3 A, and decreased with increase of the excitation current over 0.6 A. It was also found that the output increased sensitively with increase of operation frequency below 1.3MHz. The output was 3.8 V at the frequency of 1.3MHz while 1.32 V at 1MHz.
Keywords
orthogonal fluxgate; CoFeSiB amorphous wire; highly sensitive magnetic field sensor;
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