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LM331

Other Parts Discussed in Thread: LM331

      想作一个模拟的变送器,大致思想是输入信号0-100HZ,经 过lm331频率转电压出来一个电压信号,可是现在的情况是输入信号在50HZ以下出来的电压就不稳定。求解。是不是这个芯片采集低频效果本来就不好?如果可以解决要怎么做,谢谢