如图,对小电阻r上的电压进行放大、积分。
u1:
u2输出:
当用理想运放替换两个LM324后
u1:
u2:
使用理想运放,积分结果很快稳定。使用LM324时,输出u2持续变化,基本正向饱和了。
请问是何种原因导致此状况,需如何修改电路呢
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