标签: switched-capacitor

InductorlessVoltageConverterBoostsaSingleLithiumCell……

Abstract:Addingoptimizationcircuitrytoalowpassfilterallowsthefiltertoadjustitscutofffrequencydynamically,preservingthestep-responsetimeforrelativelylowcutofffrequencies.Maxim/Dallas>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSFILTERCIRCUITS(ANALOG)Keywords:lowpassfilter,stepresponse,time-domainresponse,signalconditioning,switched-capacitorfilter,Apr26,2004SCfilterAPPLICATIONNOTE3203LowpassFilterHasImprovedStepResponseAddingoptimizationcircuitrytoalowpassfilterallowsthefiltertoadjustitscutofffrequencydynamically,preservingthestep-responsetimeforrelativelylowcutofffrequencies.Acommonproblemwhendesigninglowpassfiltersforsignalconditioningistheireffectonthesystem'stime-domainresponse.Becausepushingthecutofffrequencylowerslowsthestepresponse,thesystemmayfailtorecognizesignificantchangesintime.TheFigure1circuitallowslowercutofffrequencies……

摘要：这种电路同步同时保持低THD，振幅的正弦波输出，通过三个几十年的频率（20Hz至20kHz）。Maxim>AppNotes>AudioCircuitsSignalGenerationCircuitsKeywords:testing,calibration,puresinewaves,sinewavegenerators,lowTHD,phase-lockedloops,PLL,binaryfrequencydividers,Aug17,2010switched-capacitorlowpassfilters,externalsynchronizationAPPLICATIONNOTE4504Locked-SyncSineGeneratorCoversThreeDecadeswithLowDistortionAbstract:Thiscircuitsynchronizesasinewaveoutputthroughthreedecadesoffrequency(20Hzto20kHz)whilemaintaininglowTHDandconstantamplitude.AsimilarversionofthisarticleappearedintheSeptember18,2009issueofEDNmagazine.Analogapplicationssuchastesting,calibration,andgeneralsystemoperationoftenrequireasinewaveformofaccurateamplitudeandfrequency,withlow……

开关电容滤波器（超临界流体）是著名的易用性。他们是正确的，不需要外部元件，并保持在所有指定的经营状况预测的响应。对于集成电路的超临界流体，他们紧紧相匹配和修整的内部电容产生一个固定的频率和相位响应，这是纯粹的外部时钟频率成正比。Maxim>AppNotes>FILTERCIRCUITS(ANALOG)Keywords:Switched-CapacitorICFormsNotchFilterNov01,2000APPLICATIONNOTE431Switched-CapacitorICFormsNotchFilterSwitched-capacitorfilters(SCFs)arerenownedforeaseofuse.Theyareaccurate,requirenoexternalcomponents,andmaintainapredictableresponseoverallspecifiedoperatingconditions.Forintegrated-circuitSCFs,theirtightlymatchedandtrimmedinternalcapacitorsproduceafixedfrequencyandphaseresponsethatisproportionalsolelytotheexternalclockfrequency.Toconstructanotch(band-reject)orpassbandresponse,themoreflexibleuniversalfilterisneeded.Universalfilters(eitherSCForcontinuous-timetypes)allowanycombinationoflow-pass,h……

摘要：添加一个低通滤波器的优化电路，使过滤器动态地调整其截止频率，保持相对较低的截止频率阶跃响应时间。Maxim/Dallas>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSFILTERCIRCUITS(ANALOG)Keywords:lowpassfilter,stepresponse,time-domainresponse,signalconditioning,switched-capacitorfilter,Apr26,2004SCfilterAPPLICATIONNOTE3203LowpassFilterHasImprovedStepResponseAddingoptimizationcircuitrytoalowpassfilterallowsthefiltertoadjustitscutofffrequencydynamically,preservingthestep-responsetimeforrelativelylowcutofffrequencies.Acommonproblemwhendesigninglowpassfiltersforsignalconditioningistheireffectonthesystem'stime-domainresponse.Becausepushingthecutofffrequencylowerslowsthestepresponse,thesystemmayfailtorecognizesignificantchangesintime.TheFigure1circuitallowslowercutofffrequencies……

摘要：这种电路派生纯正弦波从晶体控制时钟源所使用的环形计数器来删除最高振幅有害的谐波，和过滤结果与8阶低通、开关电容椭圆筛选器（MAX7400）。Maxim>AppNotes>FilterCircuits(Analog)SignalGenerationCircuitsKeywords:sinewavegenerators,low-distortionsignalgenerators,crystal-stabilizedoscillators,ringcounters,weighted-resistanceDec21,2010networks,lowpassellipticfilters,switched-capacitorfiltersAPPLICATIONNOTE4547Low-CostCircuitConvertsClocktoLow-DistortionSinewaveAbstract:Thiscircuitderivesapuresinewavefromacrystal-controlledclocksourcebyusingaringcountertoremovethehighest-amplitudeunwantedharmonics,andfilteringtheresultwithan8th-orderlowpass,switched-capacitorellipticfilter(MAX7400).AsimilarversionofthisarticleappearedintheOctober2007issueofPDmagazine.Asimple,low-costcircuit(Figure1)usestheexistingclockinad……

designtechniquesforhigh-frequencycmosswitched-capacitorfilters……

sigma-deltaADC的matlab建模,Behavioralmodelingofswitched-capacitorsigma-deltamodulators2003……