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 <title><![CDATA[将8V的脉冲电平提升到24V]]></title>
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 <description><![CDATA[Latest 50 replies of 将8V的脉冲电平提升到24V]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[learning !]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#894771.html]]></link>
 <author><![CDATA[indri]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 01 Nov 2010 10:56:25 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[放大电路就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#893009.html]]></link>
 <author><![CDATA[老怪]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Oct 2010 07:17:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[底电平0.8伏，三极管就导通了吧？。还有干扰问题。最好用施密特触发器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#890456.html]]></link>
 <author><![CDATA[mayanheng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Oct 2010 09:55:49 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[普通的三极管 还是用开关管？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#890437.html]]></link>
 <author><![CDATA[hnwqf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Oct 2010 09:19:04 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用三极管直接放大可行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#890394.html]]></link>
 <author><![CDATA[jxh668]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Oct 2010 08:20:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[能不能给个电路图&nbsp;&nbsp; 脉冲幅度是从8--22V&nbsp;&nbsp;&nbsp;&nbsp; 输出接PLC]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#890342.html]]></link>
 <author><![CDATA[hnwqf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Oct 2010 07:30:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[6N135]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#888256.html]]></link>
 <author><![CDATA[guofu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Oct 2010 06:26:52 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用高速光耦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#888253.html]]></link>
 <author><![CDATA[guofu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Oct 2010 06:24:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[每秒钟有2000个脉冲&nbsp;&nbsp;&nbsp;&nbsp;是计数用的&nbsp;&nbsp;&nbsp;&nbsp; 用三极管直接放大行吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#888056.html]]></link>
 <author><![CDATA[hnwqf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Oct 2010 01:06:46 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[如果只是需要一个开关量，串个电阻接光耦。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-82859#888054.html]]></link>
 <author><![CDATA[hardy_6817]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Oct 2010 01:04:32 +0000]]></pubdate>
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