VCA810没有接输入却有输出而且有负的一点几伏。当输入28毫伏的正弦波时输出却有一伏多,跟计算值差得很多,这是为什么呢?求解释啊!
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VCA810没有接输入却有输出而且有负的一点几伏。当输入28毫伏的正弦波时输出却有一伏多,跟计算值差得很多,这是为什么呢?求解释啊!