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提出了一种具有隔离功能的多路电压变送器 .该电路使用常见光耦合器件 ,完成输入与输出之间信号的隔离 ,输入与输出在较大范围内呈线性 ,且具有温度自动补偿功能
A multi-channel voltage transmitter with isolation function is proposed.The circuit uses common optical coupling device to complete the signal isolation between input and output, the input and output are linear over a wide range and has the function of automatic temperature compensation