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运放自激问题的解决

Other Parts Discussed in Thread: TLC2652A

我经常会设计一些放大倍数非常大的放大器网络,经常会达到100dB以上,采用多级放大的话,经常会遇到运放进入饱和区的情况,采用逐级的衰减网络的话,还是不能从根本上解决这个问题,有没有什么方法可以从根本上消除设计时的自激问题,以及运放进入自激状态后怎么消除自激问题