Development of a measurement system gauges magnetic field noise around devices, indicating improved sensitivity.
In order to measure the magnetic field noise around electric devices, we developed a measurement system using a triaxial search coil. The crosstalk of the orthogonal search coils is less than -40 dB between the tri-axial search coil sensors. The measured magnetic sensitivity of the search coil is 10 pT/√Hz at 1 kHz.
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Tosaka et al. (2005) studied this question.
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