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《基于ni multisim 的有源滤波器的设计与仿真（design and simulation of active filter based on ni multisim ）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、基于NIMultisim10的有源滤波器的设计与仿真（DesignandsimulationofactivefilterbasedonNIMultisim10）========================================page1========================================Volume35,phase6InformatizationresearchV01.35No.6June2009InformatizationResearchJun.2009BasedontheNIMultisimThedesignandsimulationofact
2、ivefilterof10Wen-junzhang(PLAelectronicengineeringcollege,hefei,anhui,230037)Abstract:activefilterisbasedonitssmallsize,lightweight,lowcost,highreliability,amplificationofgain,standardizationofdesign,modularity,Itiseasytointegrateandotherprominentadvantages,andhasawideapplicationinsignalprocessing.
3、IntheMFB(infinitegainmultipathfeedback)filtercircuitOnthebasisofthetransferfunctionanalysis,themethodofthelowpassfiltercircuitcascadebythesecondorderMFBisconstructedwithapassivelowpassfilter,whichisdesignedbythemethodoflookuptablemethodThe8-orderactivelow-passfilterbasedonbutterworthapproximationan
4、dNIMultisimThecommunicationfeaturesofthesoftwaretothedesignedfilterThesimulationanalysisisperformed,anditscommunicationcharacteristicsareinaccordancewiththedesigntheoryandhavecertainreferencevalue.Keywords:activefilter;Thesimulation;NIMultisim10Middleimageclassificationno.:TN713.80theintroductionFi
5、ltersincommunicationmeasurement,controlsystems,electricalsystemsandelectricalequipmentThereisawiderangeofapplications.Sincethe1960s,therehavebeensourcesThefilterisduetoitsoutstandingadvantagessuchassmallvolume,lightweightandlowcostHighavailability,gainamplification,designstandardization,modularity,
6、easyintegrationTherearemoreandmoreapplicationsinsignalprocessing.SotherearestudiesSourcefilterdesignhasgreatpracticalsignificance¨J.Inthispaper,thedesignThe8-orderMFB(infinitegainmultipathfeedback)butterworthhasalowpassFilter,andNIMuhisimThesimulationstudywascarriedout.1.DesignofactivefilterWhendes
7、igningafilter,thecutofffrequency,in-bandgainandqualityareusuallygivenThedesigntaskofafilterisbasedonagivenpropertyThecomponentthatdeterminestheformofthecircuitanddeterminesthecircuit.Filterswithidealpropert
