标签: width

TMS320x2833x,2823xEnhancedPulseWidthModulator(ePWM)ReferenceGuide(Rev.A).pdf

TMS320x2833x,2823xHighResolutionPulseWidthModulator(HRPWM)RG(Rev.B).pdf

DigitalPulseWidthModulatorArchitectures

   Theprogrammeasuresapulsewidthusinga16-bittimerineventcountermodewithan8-bittimer.Itcanmeasurethehigh-levelwidthofanexternalpulse.……

Abstract:Alsocalledcodedensitytest,thehistogramtestapproachhelpsdeterminenonlinearityparameterssuchasdifferentialandintegralnonlinearities(INLandDNL)indataconverters.ThefollowingapplicationnotelendsinsightintothemathematicalrelationshipbetweenprobabilitydensityfunctionandvariousdataconverterspecificationsrequiredtosuccessfullycompletethehistogramtestMaxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSHIGH-SPEEDSIGNALPROCESSINGKeywords:codedensitytest,histogramtesting,ADC,high-speeddataconverter,integralnonlinearity,INL,May31,2003differentialnonlienarity,DNL,samplerecord,codecount,binwidth,probabilitydensityfunction,confidencelevel,hardwarehistogramAPPLICATIONNOTE2085HistogramTestingDeterminesDNLandINLErrorsAbstract:Alsocalledcodedensitytest,thehistogramtestapproachhelpsdeterminenonlinearityparameterssuchasdifferentialandintegralnonlinearities(INLandDNL)indataconverters.Thefollowingapplicationnotelendsinsightintothemathematicalrelationshipbetweenprobabilitydensityfunctionandvariousdataconverterspecificationsrequired……

Abstract:Buildageneral-purposepulse-widthmodulatorusingthreeopampsfromaquad-op-ampdevice.Maxim/Dallas>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSAUTOMOTIVEKeywords:pulse-widthmodulation,PWM,pulsewidthmodulator,integrator,comparator,triangle-waveApr23,2004generatorAPPLICATIONNOTE3201Pulse-WidthModulatorOperatesatVariousLevelsofFrequencyandPowerBuildageneral-purposepulse-widthmodulatorusingthreeopampsfromaquad-op-ampdevice.Themanyapplicationsforpulse-widthmodulation(PWM)includevoltageregulation,power-levelcontrol,andfan-speedcontrol.APWMcircuitforsuchapplications(Figure1)canbeimplementedwiththreeopampsfromasinglequad-op-ampchip.Theuseofopampsallowsawidevarietyofapplications.Low-poweropampscanbeusedinalow-powersystem,forexample,andhigh-frequencyopampscanbe……

Abstract:TheMAX4374high-sidecurrentsenseamplifierwithtwointernalcomparatorsisusedtoproduceapulse-widthoutputsignalproportionaltothecurrentbeingsensed.ThissimplecircuiteliminatestheneedforadiscreteA/Dconverter.Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSKeywords:currentsenseIC,highsidecurrentsense,currentsenseamplifier,pulsewidthsignaloutput,May31,2002currentsenseresistorAPPLICATIONNOTE1084High-SideCurrentSensorHasPeriodOutputAbstract:TheMAX4374high-sidecurrentsenseamplifierwithtwointernalcomparatorsisusedtoproduceapulse-widthoutputsignalproportionaltothecurrentbeingsensed.ThissimplecircuiteliminatestheneedforadiscreteA/Dconverter.High-sidecurrentmonitoringisfoundinmanybattery-poweredproductsthatrequireaccuratemonitoringofloadcurrent,chargercurrent,orboth.Innon-portableapplicationshigh-sidecurrentmonitoringservesasapower-supplywatchdogthatcanflagafailureindownstreamdevices.It……

摘要：两个内部比较器MAX4374高边电流检测放大器用于产生一个输出信号的脉冲宽度的比例目前所检测。这个简单的电路，消除了一个独立的A/D转换的需要。Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSKeywords:currentsenseIC,highsidecurrentsense,currentsenseamplifier,pulsewidthsignaloutput,May31,2002currentsenseresistorAPPLICATIONNOTE1084High-SideCurrentSensorHasPeriodOutputAbstract:TheMAX4374high-sidecurrentsenseamplifierwithtwointernalcomparatorsisusedtoproduceapulse-widthoutputsignalproportionaltothecurrentbeingsensed.ThissimplecircuiteliminatestheneedforadiscreteA/Dconverter.High-sidecurrentmonitoringisfoundinmanybattery-poweredproductsthatrequireaccuratemonitoringofloadcurrent,chargercurrent,orboth.Innon-portableapplicationshigh-sidecurrentmonitoringservesasapower-supplywatchdogthatcanflagafailureindownstreamdevices.It……

三个运算放大器的一般用途的脉冲宽度调制器。Maxim/Dallas>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSAUTOMOTIVEKeywords:pulse-widthmodulation,PWM,pulsewidthmodulator,integrator,comparator,triangle-waveApr23,2004generatorAPPLICATIONNOTE3201Pulse-WidthModulatorOperatesatVariousLevelsofFrequencyandPowerBuildageneral-purposepulse-widthmodulatorusingthreeopampsfromaquad-op-ampdevice.Themanyapplicationsforpulse-widthmodulation(PWM)includevoltageregulation,power-levelcontrol,andfan-speedcontrol.APWMcircuitforsuchapplications(Figure1)canbeimplementedwiththreeopampsfromasinglequad-op-ampchip.Theuseofopampsallowsawidevarietyofapplications.Low-poweropampscanbeusedinalow-powersystem,forexample,andhigh-frequencyopampscanbe……

建立一个通用的脉冲宽度调制器，从四运放器件使用三个运算放大器。Maxim/Dallas>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSAUTOMOTIVEKeywords:pulse-widthmodulation,PWM,pulsewidthmodulator,integrator,comparator,triangle-waveApr23,2004generatorAPPLICATIONNOTE3201Pulse-WidthModulatorOperatesatVariousLevelsofFrequencyandPowerBuildageneral-purposepulse-widthmodulatorusingthreeopampsfromaquad-op-ampdevice.Themanyapplicationsforpulse-widthmodulation(PWM)includevoltageregulation,power-levelcontrol,andfan-speedcontrol.APWMcircuitforsuchapplications(Figure1)canbeimplementedwiththreeopampsfromasinglequad-op-ampchip.Theuseofopampsallowsawidevarietyofapplications.Low-poweropampscanbeusedinalow-powersystem,forexample,andhigh-frequencyopampscanbe……

摘要：紧凑型电源提供电流高达10A使用MAX5052APWM控制器稳压3.3V这里所描述的。此电源供电来源-36V至-72V，采用同步整流实现10A效率大于88％。它使用了一个单晶体管正激变换器的复位绕组，有50％的最大占空比。它具有输入反向电压保护，将规范零负载。隔离电压为1500V，并有过电压和过电流保护。它可以打开和关闭远程开/关针，它具有热关断功能，温度过高保护供应。单位有断续电流限制，以限制输出短路时的RMS电流。Maxim>AppNotes>AUTOMOTIVEKeywords:MAX5052,pwmcontroller,synchronousrectification,forwardconverter,highefficiency,powerSep01,2003supply,powersupplies,forwardconverter,inputreversevoltageprotection,pulsewidthmodulation,controllersAPPLICATIONNOTE2400ACompact36-72VDCInput,3.3V/10AOutputPowerSupplyAbstract:Acompactpowersupplythatprovidesaregulated3.3Vatcurrentsupto10AusingtheMAX5052APWMcontrollerisdescribedhere.Thispowersupplyoperatesfrom-36Vto-72Vandusessynchronousrectificationtoachieveefficienciesgreaterthan88%at10A.Itusesasingletransistorforwardconverterwitharesetwindingandhasamaximumdutycycleof50%.Ithasinputreversevoltageprotection,andwillregulatetozeroload.Theisolati……

摘要：DS1050是一个5位的脉冲宽度调制（PWM）由2线总线控制。这允许一个主设备，一个单一的2线总线控制多达8奴隶（DS1050和其他2线设备）。本应用笔记中，演示了通过PC机的串行接口2线总线接口。硬件和软件的要求，并给出从DallasSemiconductor的FTP站点下载。Maxim>AppNotes>DigitalPotentiometersDisplayDriversPower-SupplyCircuitsKeywords:fancontrol,fanspeed,brightnesscontrol,contrastcontrol,2wirebus,2wiredevices,PWM,pulseDec17,2001widthmodulator,dcmotor,LCDLEDbacklightAPPLICATIONNOTE163UsingDS1050ProgrammablePWMstoControlaDCMotorandanLCDLEDBacklightAbstract:TheDS1050isa5-bitpulse-widthmodulator(PWM)controlledbya2-wirebus.Thisallowsasinglemasterdevicetocontrolupto8slave(DS1050andother2-wiredevices)onasingle2-wirebus.Inthisapplicationnote,aninterfacetoa2-wirebusviaaPCserialinterfaceisdemonstrated.ThehardwareandsoftwarerequirementsaregivenandavailablefordownloadfromtheDallasSemiconductorFTPsite.IntroductionTheD……

摘要：DS1050是由2线总线控制5位脉冲宽度调制器(PWM)。这允许单个主机设备来控制达8奴隶（DS1050和其他2线设备）单2线公共汽车上。在此应用程序的说明，这表明2线公共汽车通过PC串行接口的接口。给定和从达拉斯半导体FTP站点下载可用的硬件和软件要求。Maxim>AppNotes>DigitalPotentiometersDisplayDriversPower-SupplyCircuitsKeywords:fancontrol,fanspeed,brightnesscontrol,contrastcontrol,2wirebus,2wiredevices,PWM,pulseDec17,2001widthmodulator,dcmotor,LCDLEDbacklightAPPLICATIONNOTE163UsingDS1050ProgrammablePWMstoControlaDCMotorandanLCDLEDBacklightAbstract:TheDS1050isa5-bitpulse-widthmodulator(PWM)controlledbya2-wirebus.Thisallowsasinglemasterdevicetocontrolupto8slave(DS1050andother2-wiredevices)onasingle2-wirebus.Inthisapplicationnote,aninterfacetoa2-wirebusviaaPCserialinterfaceisdemonstrated.ThehardwareandsoftwarerequirementsaregivenandavailablefordownloadfromtheDallasSemiconductorFTPsite.IntroductionTheD……

PCB线宽计算小程序,wire_Width_caculator……

platinum40_v1layouttracewidth……

摘要：这种抖动引进各种抖动类型，包括随机抖动类型的定义：高斯，毗邻循环周期-周期抖动和确定性抖动类型：占空比失真，脉冲宽度失真，脉冲偏移和数据依赖（模式）抖动。本应用笔记还讨论了各种抖动元件和系统的误码率（BER）之间的关系。Maxim>AppNotes>HIGH-SPEEDINTERCONNECTKeywords:jitter,gaussian,random,RJ,deterministic,cycletocycle,adjacentcycle,dutycycledistortion,Mar06,2003pulsewidthdistortion,inter-symbol,biterrorrate,BER,berAPPLICATIONNOTE1916AnIntroductiontoJitterinCommunicationsSystemsAbstract:Thisintroductiontojitterpresentsdefinitionsforvariousjittertypesincludingtherandomjittertypes:Gaussian,cycle-to-cycle,adjacentcycle;anddeterministicjittertypes:dutycycledistortion,pulsewidthdistortion,pulseskewanddatadependent(pattern)jitter.TheapplicationnotealsodiscussestherelationshipbetweenthevariousjittercomponentsandsystemBitErrorRate(BER).WhatisJitter?TheSONETstandardstatesthat"Jitterisdefinedasthesho……