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Devices and methods for magnetic sensor output compensation based on ambient temperature

机译:基于环境温度的磁传感器输出补偿装置和方法

摘要

The circuit has a magnetic sensor that produces an uncompensated magnetic sensor output signal. The temperature sensor produces an ambient temperature signal. The compensation circuit is connected to a magnetic sensor and a temperature sensor. The compensating circuit is compensated for the calculated temperature compensating signal to generate a temperature compensated magnetic sensor output signal, which reduces the thermally induced variation of the uncompensated magnetic sensor output signal. It is configured to add to the non-magnetic sensor output signal. In one embodiment, the compensating circuit forms a temperature compensating signal that is calculated as a function of an ambient temperature signal, a room temperature signal, a room temperature coefficient gain signal, a temperature coefficient gain signal and an uncompensated magnetic sensor output signal.
机译:该电路有一个磁传感器,可产生未经补偿的磁传感器输出信号。温度传感器产生环境温度信号。补偿电路连接到磁性传感器和温度传感器。补偿电路对计算出的温度补偿信号进行补偿,以产生温度补偿的磁传感器输出信号,从而减少未补偿的磁传感器输出信号的热致变化。它被配置为添加到非磁性传感器输出信号中。在一个实施例中,补偿电路形成作为环境温度信号、室温信号、室温系数增益信号、温度系数增益信号和未补偿磁传感器输出信号的函数计算的温度补偿信号。

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