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 <title><![CDATA[差动脉冲]]></title>
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 <description><![CDATA[Latest 50 replies of 差动脉冲]]></description>
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 <description><![CDATA[对，小日本有专用的转接板子，唉 日本有时候是气人的，但是没有了日本，你们感觉方便吗？难道真的能脱离日本吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1233086.html]]></link>
 <author><![CDATA[中国工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 12:57:20 +0000]]></pubdate>
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 <description><![CDATA[有相应的转换板，集电极开路到差动的转换]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1231561.html]]></link>
 <author><![CDATA[陈大围]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 21 Mar 2012 12:16:28 +0000]]></pubdate>
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 <description><![CDATA[可以给PLC输出点再加一扩展的电子电路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1231358.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 21 Mar 2012 06:55:08 +0000]]></pubdate>
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 <description><![CDATA[差动脉冲至少要两组相差90度的脉冲，怎么保证这个相位差呢？为什么非要差动脉冲呢。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1230700.html]]></link>
 <author><![CDATA[sunrisk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Mar 2012 05:18:42 +0000]]></pubdate>
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 <description><![CDATA[一个高速光耦，加一电阻]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1230696.html]]></link>
 <author><![CDATA[wxh0734]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Mar 2012 05:07:32 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[做块转换板]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1227373.html]]></link>
 <author><![CDATA[子彦]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Mar 2012 15:21:43 +0000]]></pubdate>
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 <description><![CDATA[没听说过。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1226202.html]]></link>
 <author><![CDATA[坚士人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 12 Mar 2012 13:37:46 +0000]]></pubdate>
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 <description><![CDATA[[s:28] 赶紧进高手来回答下。小弟也期待 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-142799#1226043.html]]></link>
 <author><![CDATA[chinazhu6666]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 12 Mar 2012 09:14:30 +0000]]></pubdate>
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