Investigation of Crossfield Effect in AMR Sensors
Authors: Butta, Mattia; Ripka, Pavel
Source: Sensor Letters, Volume 7, Number 3, June 2009 , pp. 322-324(3)
Publisher: American Scientific Publishers
Abstract:We measured the effect of crossfield Hx on the output voltage of AMR sensor. This effect can seriously degrade the sensor performance, causing compass errors as high as 1 degree. We show that Hx can significantly affect the magnetization and cause hysteresis when it reaches hundreds of A/m. For lower field region we observe disagreement with the commonly accepted theoretical model.
Document Type: Research Article
Publication date: June 2009
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