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通过建立虚拟仪器系统的模入通道等效电路并对其进行电路分析,提出若干种抑制差模和共模噪声的干扰措施,同时还介绍了ADC芯片的地线处理方法
By setting up the equivalent circuit of the in-channel of the virtual instrument system and analyzing the circuit, several interference measures to suppress differential mode and common-mode noise are put forward. At the same time, the ground-wire method of ADC chip