完整版的开关电源原理分析，对学习开关电源有很大帮助，先收藏了

[@kongfung3486]

You use the most simple method to explain this circuit, this can make the viewer understand easier and your diagram is most clean.

[@謎一般的雷包]

講解的很清楚~收下了~謝謝

[@陈冲-m4x]

经过单二极管整流后电压应该是300多吧，最高电压和4个二极管效果是一样的吧。

[@陈冲-m4x]

学习了

[@chongchoonshinchongchoonsh6919]

Resister and cap how many k ohms and uf