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Vol. 100, Issue 1, January 2009, pp.85-91

 

 

Bullet

 

A Novel Hall Effect Sensor Using Elaborate Offset Cancellation Method

 

Vlassis N. Petoussis, Panos D. Dimitropoulos and George Stamoulis

University of Thessaly. Department of Computer & Communication Engineering

Tel.: +30 24210 66594, e-mail: petousis@inf.uth.gr

 

 

Received: 18 December 2008   /Accepted: 19 January 2009   /Published: 26 January 2009

 

Abstract: The Hall effect is caused by a traverse force that is formed in the electrons or holes of metal element or semiconductor when are polarized by current source and simultaneously all the system it is found vertical in external magnetic field. Result is finally the production of difference of potential (Hall voltage) in address vertical in that of current and magnetic field directions. In the present work is presented a new Hall sensor exploiting the former operation. In combination with his pioneering form and using dynamic spinning current technique with an elaborate sequence, it leads to satisfactory results of produced Hall voltage with small noise in a presence of external magnetic field. Anyone can see both the spinning current and anti-Hall technique in the same sensor simultaneously.

 

Keywords: Hall plate, Magnetic sensor, Dynamic offset reduction, Wheel Hall sensor

 

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