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晨飞资讯</a> » <a href="">共模滤波电感电感量越大越好吗?/a></div>
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共模滤波电感电感量越大越好吗?/h3>
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<span>文章出处?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电子有限公?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气?span
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<p> 很多朋友现在都会问一个问题，就是<a href="http://www.chenfeipower.com/product/product-0001,0004-1.shtml">共模滤波电感</a>的电感量是不是越大越好，深圳晨飞电子的技术团队说，其实共模滤波电感器不是电感量越大越?主要看你要滤除的共模干扰的频率范?先说一下共模电感器滤波原理:共模电感器对共模干扰信号的衰减或者说滤除有两个原?一是靠感抗的阻挡作?但是到高频电感量没有了靠的是磁心的损耗吸收作?他们的综合效果是滤波的真实效?当然在低频段靠的是电感量产生的感?同样的电感器磁心材料绕制成的电感?随着电感量的增加,Z阻抗与频率曲线变化的趋势是随着你绕制的电感器的电感量的增加,Z 阻抗峰值电时的频率就会下降,也就是说电感量越高所能滤除的共模干扰的频率越?换句话说对低频共模干扰的滤除效果越好,对高频共模信号的滤除效果越差甚至不起作用。这就是为什么有的滤波器使用两级滤波共模电感器的原因，一级是用低磁导?磁导?K以下铁氧体材料甚至可以使?000的NiZn材料) 材料作成共模滤波电感?滤出几十MHz或更高频段的共模干扰信号,另一级采用高导磁材料(如磁导率10000h00的铁氧体材料或着非晶体材?来滤除，1MHz以下或者几百kHz的共模干扰信?因此首先要确认你要滤除共模干扰的频率范围然后再选择合适的滤波电感器材?<br />
在设计共模滤波电感时，一定要确认你的参数，根据参数才做出相应的产品，在这里小编向你推荐一篇共模电感材料优劣势探讨（http://www.chenfeipower.com/Article/gongmodianganyongcai_1.html），如果你想订制<a href="http://www.chenfeipower.com">共模电感</a>或者想了解相关知识，你可以登录到深圳晨飞电子的官网进行查询?/p>
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