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上面那原理图有问题吗？为什么在2脚VG接入1.6V的电压结果测出来只有0.2V的电压？？？？、好难用啊821
RG太小，最少20ohm。
VREF 应该20ohm电阻到地。
1.6VG 应该饱和了，尝试减小1V左右。
