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title="通用有源滤波器">连续信号有源滤波器是使用带电阻的运算放大器实现的/电容器（RC）无源元件。多家集成电路供应商提供包含运算放大器和关键RC元件的通用有源滤波器，以简化滤波器的设计和制造。</a> </p> <a href="/news_detail/193261.html" title="通用有源滤波器">Read More</a> </div> </div> </div> </article> <article class="post-16214 events type-events status-publish has-post-thumbnail hentry"> <div class="clearfix"> <div class="post-list-image"> <img width="210" height="190" src="http://img.dq800.com/shop/shhuakun/images/news/2021081910281018_1.jpg" class="img-responsive wp-post-image" alt="" loading="lazy" /> </div> <div class="post-list-content"> <h2 class="entry-title"> <a href="/news_detail/193260.html" title="滤波器的几款比较常用分类的介绍">滤波器的几款比较常用分类的介绍</a> </h2> <div class="entry-content"> <div class="entry-meta"> <a href="/news_detail/193260.html" title="滤波器的几款比较常用分类的介绍"><strong>2020 , 05 , 08</strong></a> </div> <p> <a href="/news_detail/193260.html" title="滤波器的几款比较常用分类的介绍">经典滤波器:假定输入信号x(n)中的有用信号和希望去掉的信号具有不同的频带，当x(n)通过滤波器后可去掉无用的信号；</a> </p> <a href="/news_detail/193260.html" 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