
测量正电压时,结果正确,但是弄负电压时,接上C24,测量正电压被拉低,求解答
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Hi:
C24 典型值使用1uF, 需要修正(还与负载相关, 建议测试时,负载不好太大,20mA以内)。
C23需要一到与C22并联,C23,C32可以取小一点如4.7uF~10uF.)