The Halls sensor and voltage sensor is used for samplingcurrent and voltage in the system, and the signals are transformed into voltage signal and sent to the LM231.
系统采用霍尔传感器和电压传感器对电压和电流采样，转化成电压信号输给压控芯片LM 231。
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Secondly, the impact of the asynchronous sampling on the current detecting is analyzed in this paper.
其次，本文分析了非同步采样对电流检测的影响。
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METHODS: the rationality of the current drug sampling test method was analyzed empirically according to the theory of sampling test.