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CALCULATION REGULATION AND PROCEDURES FOR COMPENSATION OF AMENDMENTS TO A TRANSFER FACTOR OF A MAGNETFIELD SENSOR REGULATION
CALCULATION REGULATION AND PROCEDURES FOR COMPENSATION OF AMENDMENTS TO A TRANSFER FACTOR OF A MAGNETFIELD SENSOR REGULATION
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机译:磁场传感器调节量的转移因子的补偿量的计算量调节方法
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摘要
The compensation circuit has a coil device (5a,5b) coupled to an auxiliary current generator (3) via a voltage/current converter (4) for providing an auxiliary magnetic field (Bt,-Bt) superimposed on the measured magnetic field, a sum element (12a) determining the component of the magnetic field sensor output voltage resulting from the auxiliary magnetic field, supplied to a correlator (6) for correlation with the voltage output (Vg) of the auxiliary current generator. The circuit is provided by an IC, the correlator output fed to a series circuit with an A/D converter (14), a digital regulator (28) and a D/A converter (17) providing a variable setting component for compensation of the transmission factor variation. An Independent claim is also made for a method for compensation of the transmission factor variation of a magnetic field sensor.
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