标签: reconstruction

为提供高精度反混叠性能，LTC1564作为重构滤波器在消除数模转换器(DAC)输出中不需要的高频频谱时作用明显。一种简单、紧凑、经济和高性能的数字信号处理和发生系统硬件仅需要一个LTC1564、一个ADC和一个DAC。advertisementLTC1564:ADigitallyTunedAntialiasing/ReconstructionFilterSimplifiesHighPerformanceDSPDesign……

Abstract:Digital-to-analogconverters(DACs)convertdigitaldatatoanalogvoltageorcurrentinapplicationssuchasinstrumentationandwirelesscommunications.ADAC'soutputfrequencygenerallyrangesfromDCtolessthanfS/2,wherefSistheinput-updatingfrequency.TheoutputfrequencyresponseformostDACs,however,rollsoffaccordingtothesin(x)/x(sinc)frequency-responseenvelope.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSBASESTATIONS/WIRELESSINFRASTRUCTUREDIGITALPOTENTIOMETERSHIGH-SPEEDSIGNALPROCESSINGWIRELESS,RF,ANDCABLEKeywords:preequalization,postequalization,frequencyresponse,sinx/x,sincfunction,interpolation,Nyquist,imageJun01,2006frequency,reconstructionfilter,FIR,roll-offAPPLICATIONNOTE3853EqualizingTechniquesFlattenDACFrequencyResponseAbstract:Digital-to-analogconverters(DACs)convertdigitaldatatoanalogvoltageorcurrentinapplicationssuchasinstrumentationandwirelesscommunications.ADAC'soutputfrequencygenerallyrangesfromDCtolessthanfS/2,wherefSistheinput-updatingfrequency.TheoutputfrequencyresponseformostDACs,however,rollsoffaccordingtothesin(x……

摘要：数字-模拟转换器（DAC）将数字数据转换成模拟电压或电流的仪器和无线通信等应用。一个DAC的输出频率范围从DC到低于FS/2，其中FS是输入更新频率。然而，对于大多数的DAC输出频率响应，推出了根据SIN（X）/X（SINC）频率响应信封。Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSBASESTATIONS/WIRELESSINFRASTRUCTUREDIGITALPOTENTIOMETERSHIGH-SPEEDSIGNALPROCESSINGWIRELESS,RF,ANDCABLEKeywords:preequalization,postequalization,frequencyresponse,sinx/x,sincfunction,interpolation,Nyquist,imageJun01,2006frequency,reconstructionfilter,FIR,roll-offAPPLICATIONNOTE3853EqualizingTechniquesFlattenDACFrequencyResponseAbstract:Digital-to-analogconverters(DACs)convertdigitaldatatoanalogvoltageorcurrentinapplicationssuchasinstrumentationandwirelesscommunications.ADAC'soutputfrequencygenerallyrangesfromDCtolessthanfS/2,wherefSistheinput-updatingfrequency.TheoutputfrequencyresponseformostDACs,however,rollsoffaccordingtothesin(x……

摘要：MAX4390的运算放大器配置在3杆，低通Sallen-Key滤波器，它提供了一个的-3dB带宽为5.25MHz巴特沃斯响应。该电路可用于过滤复合（CVBS）或S-视频信号在标准清晰度数字电视（SDTV）应用的视频抗锯齿和重建。该电路设计驱动一个75Ω终接，共同在视频应用的总增益为1。Maxim>AppNotes>FILTERCIRCUITS(ANALOG)VIDEOCIRCUITSKeywords:3-pole,butterworth,activefilter,lowpassfilter,video,output,NTSC,PAL,reconstructionfiltering,Dec04,2002operationalamplifier,opampAPPLICATIONNOTE17995MHz,3-Pole,Low-PassFilterplusVideoLineDriverforConsumerVideoApplicationsAbstract:TheMAX4390operationalamplifierconfiguredina3-pole,low-passSallen-KeyfilterthatprovidesaButterworthresponsewithabandwidthof-3dBat5.25MHz.Thiscircuitcanbeusedforvideoanti-aliasingandreconstructionfilteringforcomposite(CVBS)orS-VideosignalsinstandarddefinitiondigitalTV(SDTV)applications.Thecircuitisdesignedtodrivea75termination,commoninvideoapplications,withanoverallgainof1.TheSall……

摘要：MAX4450运算放大器在3杆，低通Sallen-Key滤波器配置提供了一个Butterworth响应-3dB带宽为5.25MHz。该电路可用于过滤复合（CVBS）或S-视频信号在标准清晰度数字电视（SDTV）应用的视频抗锯齿和重建。该电路设计驱动一个75Ω终接，共同在视频应用的总增益为1。Maxim>AppNotes>FILTERCIRCUITS(ANALOG)VIDEOCIRCUITSKeywords:3-pole,butterworth,activefilter,lowpassfilter,video,output,NTSC,PAL,reconstructionfiltering,Mar28,2002operationalamplifier,opamp,opampsAPPLICATIONNOTE1028SDTVReconstructionFilterwithAdjustableGroupDelayAbstract:TheMAX4450operationalamplifierconfiguredina3-pole,low-passSallen-KeyfilterprovidesaButterworthresponsewithabandwidthof-3dBat5.25MHz.Thiscircuitcanbeusedforvideoanti-aliasingandreconstructionfilteringforcomposite(CVBS)orS-VideosignalsinstandarddefinitiondigitalTV(SDTV)applications.Thecircuitisdesignedtodrivea75termination,commoninvideoapplications,withanoverallgainof1.Thisapplicationnotedescribesa5……

activehdtvreconstructionfilterlowerscostandimprovesperformance……

UsingtheMAX4090withthereconstructionfilter……

low-cost,30MHZ,triple-channelHDTVreconstructionfilter……

implementationofadirectdrivevideofilteramplifiersnegativechargepumpandanalogswitchinaudio/videoapplications……

应用笔记3728单SCART视频驱动器……

摘要：本应用笔记提供了一个视频数字化的概述，并产生频谱边带。文章分析到模拟视频转换成数字视频后面的过程，并解释如何视频重建需要适当的过滤技术。提供的例子，以避免或减少云纹效果和图片文物。Maxim>AppNotes>GeneralEngineeringTopicsKeywords:analog,video,reconstruction,moiré,picture,artifacts,digital,quantization,low,pass,filter,anti-alias,converter,ADC,DAC,Sep18,2008clock,sample,boxcar,Nyquist,Standard,Definition,SD,PAL,NTSC,High,HD,ATSC,MPEGAPPLICATIONNOTE4287ReconstructingAnalogVideowiththeMaximVideoFilterFamilyBy:BillLaumeisterAbstract:Thisapplicationnoteprovidesanoverviewofvideodigitization,andthespectrumandsidebandsproduced.Thearticleexaminestheprocessofconvertingdigitalvideobackintoanalogvideoandexplainshowvideoreconstructionrequiresproperfilteringtechniques.Examplesareprovidedtoavoidorminimizemoiréeffectsandpictureartifacts.IntroductionOnceanalogvideoiscapt……