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匯榮鋁業(yè)
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樓主  發(fā)表于: 2011-07-05 11:37
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ysheng9099
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1樓  發(fā)表于: 2011-07-05 22:03
當Q0.0接通時(shí),24V經(jīng)過(guò)兩個(gè)電阻分壓后輸出12V,同時(shí)對電容充電,電容充滿(mǎn)后,Q0.0停止輸出,電容通過(guò)下面的電阻放電放電時(shí)間由電容的容量決定,然后再分壓充電,Q0.0再通,循環(huán),輸出Q0.1亦相同.

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