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作者 WeCanGo 在 PTT [ Electronics ] 看板的留言(推文), 共87則
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3F推:..第二行科學記號也錯 這高中就有了 自己翻書吧05/07 12:55
4F→:因為要討論之前 應該自己想過Google 而不是上來要答案05/07 12:57
2F推:不是啦 光耦合器 PC817(C Rank)03/10 17:36
3F→:http://www.futurlec.com/LED/PC817.shtml03/10 17:38
8F推:..BJT消耗 450W 你不覺得怪怪得嗎? 整台PSU可以Burn in??03/04 00:05
9F→:應該要用Switch的方式吧03/04 00:06
19F推:一顆MOSFET或是BJT可以承受多少Pd 你先想一下 450W Loss03/04 22:18
20F→:簡直是天方夜譚 你開機3秒沒爆炸 真的隨便你03/04 22:19
21F→:現在300W PC Power eff=80% Ploss75W 而你只是BJT上Loss03/04 22:21
22F→:450W 你先想一下 這是不可能的任務 BJT一下就燒掉了03/04 22:22
23F→:你可能要用100顆以上BJT均流 散熱 這有可能嗎????03/04 22:23
2F推:還不簡單 兩顆33uF電解電容"串聯"02/19 22:43
3F→:...別鬧了 6901是LLC 4800是CCMPFC+forward架構不同01/28 19:34
4F→:不懂得別亂說....你可以同一顆IC PFC+LLC 整合當然可以用01/28 19:36
5F推:CM6502+CM6901=PFC+LLC ,FAN4800=PFC+Forward 不同東西01/28 19:43
1F推:LED 一串到底01/17 23:07
8F推:你的NB Adapter不接NB 放在那邊 對Adapter來說就是No Load12/24 12:46
5F推:.......電子學應該有稍微提到Body Diode吧12/19 12:40
7F推:邊翻譯邊看吧 研究所不看 出社會人家是不會給你時間看的12/15 22:13
3F推:漣波電壓電流較大 03/27 23:32