一窍不通也 发表于 2019-12-18 11:20
开关管栅极的稳压二极管为18V,实验证实12--18V都可以,不装也没事。起不了多大作用!
需要注意光耦虚焊 ...
WJIEYONG 发表于 2019-12-18 14:43
达到你这种境界,需要修炼多久呢
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