【单选题】【消耗次数：1】
多级放大电路中级与级之间的连接称为耦合。
①
对
②
错
参考答案：
复制
纠错
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在阻容耦合放大电路中，耦合电容的作用是（）。
①
将输入的交流信号耦合到晶体管的输入端
②
将输入的交流信号耦合到晶体管的输入端，同时防止偏置电流被信号源旁路
③
将输入的交流信号加到晶体管的基极
④
没什么作用
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