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liupei1899
三人行必有我師
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樓主  發(fā)表于: 2010-08-07 12:10
哪位老師能詳細解釋一下傳感器PNP和NPN輸出原理及區別？謝謝
再見(jiàn)理想
雖然時(shí)間很遙遠，但從未停止過(guò)。
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1樓  發(fā)表于: 2010-09-10 20:45
一空穴，一電子
P型半導體，N型半導體。
PN結，二極管。
先把這個(gè)搞清再說(shuō)吧�！�！
[img]Http://wyqpyx.com/attachment/Mon_2311/18_25997_2865e2881f154e3.jpG[/img]

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