模拟滤波器的设计揭秘

摘要：本文说明如何设计模拟滤波器。它开始覆盖过滤器的基本原理，接着介绍巴特沃斯，切比雪夫，贝塞尔等基本类型，然后通过低通和高通滤波器的设计过程中引导读者。包括方程的推导和电路实现。

Maxim>AppNotes>FilterCircuits(Analog)VideoCircuitsKeywords:analogfilterdesign,Butterworth,Chebyshev,Bessel,transferfunctions,2ndordersection,secondFeb13,2003ordersection,RCfiltersAPPLICATIONNOTE1795AnalogFilterDesignDemystifiedAbstract:Thisarticleshowshowtodesignanalogfilters.Itstartsbycoveringthefundamentalsoffilters,goesontointroducethebasictypeslikeButterworth,Chebyshev,andBessel,andthenguidesthereaderthroughthedesignprocessforlowpassandhighpassfilters.Includedarethederivationoftheequationsandthecircuitimplementation.It'sajungleoutthere.Asmalltribe,inthedensewilderness,ismuchsoughtafterbyheadhuntersfromthesurroundingplains.Knownthroughoutthelandfortheiresoteri