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在单片机应用系统中,为了实现数据的采集和控制任务,通常都设计有运放增益放大器和A/D转换器。这些由半导体材料做成的器件将随环境温度及自身工作状态产生一系列变化,即“漂移”。漂移给信号的测量、放大和传输造成误差,使数据不准确。为了提高数据的处理精度,必须尽可能地减小
In the SCM application system, in order to achieve the task of data acquisition and control, usually designed with amplifier gain amplifier and A / D converter. These devices made of semiconductor materials will produce a series of changes with the ambient temperature and their own working conditions, “drift.” Drift to the signal measurement, amplification and transmission of the error, the data inaccurate. In order to improve the data processing accuracy, it must be reduced as much as possible