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LM358构成的同相跟随电路,输出不能完全跟随输入的问题

Other Parts Discussed in Thread: LM358

电路是LM358构成的最简单同相跟随电路,实验发现波形如下图所示。黄色为输入信号,蓝色为跟随输出信号。频率约30kHz,幅值300mV