在多级运放电路中,发现有些电路将后级信号通过电阻或电容反馈到前级运放的输入端,请问这么做的具体含义及理论是什么呢?
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在多级运放电路中,发现有些电路将后级信号通过电阻或电容反馈到前级运放的输入端,请问这么做的具体含义及理论是什么呢?