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	<title>骆驼调频 &#187; EMI</title>
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		<title>EMC问题</title>
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		<pubDate>Sat, 28 Nov 2009 15:18:12 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
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		<description><![CDATA[EMC问题三要素 &#160;&#160;&#160; 开关电源及数字设备由于脉冲电流和电压具有很丰富的高频谐波，因此会产生很强的辐射。电磁干扰包括辐射型(高频) EMI、传导型(低频)EMI，即产生EMC问题主要通过... ]]></description>
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		<title>EMC－电磁屏蔽材料的使用</title>
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		<comments>http://www.21say.com/the-use-of-electromagnetic-shielding-materials/#comments</comments>
		<pubDate>Sat, 28 Nov 2009 15:06:35 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Electron]]></category>
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		<description><![CDATA[1. 电磁密封衬垫 1. 1 什么是电磁密封衬垫 &#160;&#160;&#160;&#160; 许多人不了解电磁屏蔽的原理，认为只要用金属做一个箱子，然后将箱子接地，就能够起到电磁屏蔽的作用。在这种概念指导下结果... ]]></description>
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		<title>高速传输接口的EMI设计技术(转)</title>
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		<comments>http://www.21say.com/high-speed-transmission-interface-emi-design-techniques/#comments</comments>
		<pubDate>Sat, 28 Nov 2009 14:54:07 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Electron]]></category>
		<category><![CDATA[EMI]]></category>

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		<description><![CDATA[当CPU和各种外围新技术的传输速度不断攀升到GHz时，「电磁干扰（EMI）」就成为在系统层级设计产品的棘手问题。PCB工程师就是在系统层级上设计电子产品，而这些产品在我国电子产业的总产... ]]></description>
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