A Filter Primer

摘要：这一综合性的文章涵盖了模拟滤波器的所有方面。它首先解决的基本类型：第一代和第二阶滤波器，高通和低通滤波器，陷波和全通滤波器，高阶滤波器。本教程解释了不同的实现，如巴特沃斯滤波器，切比雪夫滤波器，贝塞尔滤波器，椭圆滤波器，状态变量滤波器和开关电容滤波器的特点。

Maxim>AppNotes>FilterCircuits(Analog)Keywords:analogfilterdesign,secondorderfilters,highpass,highpass,lowpass,lowpass,filters,notch,Oct06,2008allpass,highorder,filters,Butterworth,Chebychev,Bessel,elliptic,statevariable,filterAPPLICATIONNOTE733AFilterPrimerAbstract:Thiscomprehensivearticlecoversallaspectsofanalogfilters.Itfirstaddressesthebasictypes:first-andsecond-orderfilters,highpassandlowpassfilters,notchandall-passfilters,andhigh-orderfilters.Thetutorialthenexplainsthecharacteristicsofthedifferentimplementations,suchasButterworthfilters,Chebychevfilters,Besselfilters,ellipticfilters,state-variablefilters,andswitched-capacitorfilters.IntroductionEaseofusemakesintegrated,swit