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suspended magnet we used. suspended magnet we used. The circuit for this experiment is shown in the following figure, which is a simple high-pass
filtering of the sensor output.

attachment:hall_sensor_mea_config.JPG

Its transfer function is shown below with a corner frequency around 0.1 Hz.

attachment:high_pass_TF.JPG

The raw data from the spectrum analyzer by measuring different frequency bands are shown in the figure below.

attachment:Vout_rawdata.JPG

We measured the voltage fluctuation of the Hall-effect sensor, from which we infer the displacement sensitivity given the suspended magnet we used. The circuit for this experiment is shown in the following figure, which is a simple high-pass filtering of the sensor output.

attachment:hall_sensor_mea_config.JPG

Its transfer function is shown below with a corner frequency around 0.1 Hz.

attachment:high_pass_TF.JPG

The raw data from the spectrum analyzer by measuring different frequency bands are shown in the figure below.

attachment:Vout_rawdata.JPG

Suspensions/MagneticSuspension/Expdata/Hall_Sensor_Sensitivity (last edited 2012-01-03 23:02:40 by localhost)