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conference paper
Low Noise CMOS Micro-Fluxgate Magnetometer
2003
TRANSDUCERS '03. 12th International Conference on Solid-State Sensors, Actuators and Microsystems. Digest of Technical Papers
We present a new two-axis fluxgate magnetometer fully integrated in CMOS technology. The magnetometer exhibits excellent sensitivity of 2700 V/T and the magnetic equivalent noise spectral density of 6nT/√Hz at 1 Hz. The total power consumption is as low as 35 m W from the single 5 V power supply. The low noise characteristic is obtained using the combination of good magnetic . material properties and electronic post-modulation technique to reduce the noise coming from CMOS electronic part.
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