差分放大电路中,共模电压放大倍数是如何确定,共模电压对输出电压值如何影响,如何计算?
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差分放大电路的共模增益与电路的拓扑结构、元件的匹配程度、以及反馈网络的设计密切相关。 ACM=Vin,CM/Vout,CM。在设计差分放大电路时,尽量降低共模增益.