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工程师你们好!
目前正用F28069M做矢量控制。输入电压和输出电压采样推荐个方案。目前用不带隔离的采样成本小简单。但是干扰大，人易触电。用隔离的电路庞大，成本也高纠结啊。输出采样用隔离选什么光耦好？谢谢回答！！！！！
线性光耦行不行
