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新手求问,TLV3502比较器低频的问题

Other Parts Discussed in Thread: TLV3502

 就想做一个能滤直流的比较器,输出0-5V方波,但是用这个图(TLV3502中的A部分)仿真特别正常,实际用电路测试的时候就是10k以上还挺正常的,低于1khz输出就是噪声很大幅度很小的正弦波了,之前以为是那个电容的问题,原来用的1.5uf后来改成了10uf,但实际输出几乎没有变化