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 <title><![CDATA[UC3844开关电源原理经典]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106474.html]]></link>
 <description><![CDATA[Latest 50 replies of UC3844开关电源原理经典]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[呵呵只会点整流电路，什么正反馈电路，保护电路更是不会]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106474#1051561.html]]></link>
 <author><![CDATA[博世变频]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 04:04:29 +0000]]></pubdate>
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 <description><![CDATA[[s:21] 看看，我有个台达20A电源的图
[url]http://u.115.com/file/essw64sv[/url]
20V2A台达电源.pdf

[url]http://u.115.com/file/bww3h9kn[/url]
50V5A电源原理图.pdf]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106474#1051555.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 03:54:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也觉得3844 用的最多 了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106474#1051491.html]]></link>
 <author><![CDATA[xh00783]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 02:49:23 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[下来学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106474#1050853.html]]></link>
 <author><![CDATA[人生如梦]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 May 2011 08:28:05 +0000]]></pubdate>
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