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关于精密全波整流电路的问题,谢谢。目前先不考虑C1

Other Parts Discussed in Thread: TL082, LMP2021
 想问下谁有做过精密全波整流,我用的是如图的典型的电路
二极管用1N4148,运放原先远的是TL082.但是带宽才100khz,如果我想提高带宽的话是需要用什么样的运放才好。并且仿真的时候,只要输入频率一高,输出波形就变成这样了这是什么原因?