标签: calculating

Thisapplicationreportexplainsthedifferenttypesofaudiopoweramplifierconfigurations,suchasthesingle-ended(SE),thebridge-tiedload(BTL),andthefullydifferentialaudioamplifier.Eachconfigurationisillustratedwithablockdiagram,gainequations,andanexampleusingrealisticscenariostoillustratetoengineershowtocalculatethegainoftheiraudioamplifier.……

Fourieranalysisisafamilyofmathematicaltechniques,allbasedondecomposingsignalsintosinusoids.ThediscreteFouriertransform(DFT)isthefamilymemberusedwithdigitizedsignals.ThisisthefirstoffourchaptersontherealDFT,aversionofthediscreteFouriertransformthatusesrealnumberstorepresenttheinputandoutputsignals.ThecomplexDFT,amoreadvancedtechniquethatusescomplexnumbers,willbediscussedinChapter31.InthischapterwelookatthemathematicsandalgorithmsoftheFourierdecomposition,theheartoftheDFT.CHAPTERTheDiscreteFourierTransform8Fourieranalysisisafamilyofmathematicaltechniques,allbasedondecomposingsignalsintosinusoids.ThediscreteFouriertransform(DFT)isthefamilymemberusedwithdigitizedsignals.ThisisthefirstoffourchaptersontherealDFT,aversionofthediscreteFouriertransformthatusesrealnumberstorepresenttheinputandoutputsignals.ThecomplexDFT,amoreadvancedtechniquethatusescomplexnumbers,willbediscussedinChapter31.InthischapterwelookatthemathematicsandalgorithmsoftheFourierdecomposition,theheartoftheDFT.TheFamilyofFourierTransformFourieranalysisisnamedafterJeanBaptisteJosephFourier(1768-1830),aFren……

摘要：CMOS源的追随者不容易电路设计，但仔细分析，并考虑在BSIM模型源电阻，设计人员可以实现更精确的结果，以达到更好的匹配低噪声放大器的设计。Maxim>AppNotes>COMMUNICATIONSCIRCUITSKeywords:SourceResistance,CMOS,Source-Follower,Source-Followergain,BJT,bipolarjunctiontransistor,Jun27,2008commondrainamplifier,small-signalmodel,calculatingsourceresistance,intrinisicgm',low-noiseamplifierAPPLICATIONNOTE4231CMOSSourceResistanceandItsEffectsonSource-FollowerGainBy:JohnRobinsonAbstract:CMOSsourcefollowersarenoteasycircuitstodesign,butbycarefulanalysisandbytakingsourceresistanceintoaccountintheBSIMmodels,designerscanachievemoreaccurateresultstoachievebettermatchinginthedesignoflow-noiseamplifiers.IntroductionTheCMOSsourcefollowerisadifficultdevicetodesignusingaCMOSdevice,becausethetransconductanceofaCMOSdeviceislowco……

CalculatingPCBTrackImpedanceFormulasCalculationofPCBTrackImpedancebyAndrewJBurkhardt,ChristopherSGreggandJAlanStaniforthTheuseofhigh-speedcircuitsrequiresPCBtrackstobedesignedwithcontrolled(characteristic,odd-mode,ordifferential)impedances.Wadell[1]isoneofthemostcomprehensivesourcesofequationsforevaluatingtheseimpedances.Thissourceincludesmanyconfigurationsincludingstripline,surfacemicrostripandtheircoplanarvariants.TheIPCpublication,IPC-2141[2],isanothersourceofequations,buthasasmallerrangeofconfigurations,similartothosepresentedinIPC-D-317A.However,forsomeconfigurationstherearedifferencesbetweentheequationsgiveninthesepublications.TheauthorsbelievethatitisnowopportunetoexaminetheoriginoftheequationsandtoFigu……

CalculatingGainforAudioAmplifiersApplicationReportSLOA105……