标签: 1f

正确理解和消除1/f噪声

1f噪声、均方根(RMS)噪声与等效噪声带宽

Abstract:TheThermalNoiseCalculator(TNC)aidsintheanalysisofthermalnoisefoundinresistorsandothernoisesources.TheprogramisforusewithanHP®50gcalculatororfreePCemulator.Maxim>DesignSupport>AppNotes>A/DandD/AConversion/SamplingCircuits>APP5059Maxim>DesignSupport>AppNotes>AmplifierandComparatorCircuits>APP5059Maxim>DesignSupport>AppNotes>DigitalPotentiometers>APP5059Keywords:thermalnoise,noisevoltage,whitespectraldensity,Johnsonresistance,temperature,1/fcornerfrequency,calculators,analogcircuitdesign,HP50gprograms,designtool,circuitanalysis,signaltestmeasurement,bandwidth,clock,jitter,analogreferredAug23,2011APPLICATIONNOTE5059ThermalNoiseCalculatorTutorialBy:BillLaumeister,StrategicApplicationsEngineerAbstract:TheThermalNoiseCalculator(TNC……

摘要：在这个噪声发生器电路，放大器（MAX4238）有没有在其输入电压噪声的1/f的组成部分。它自己的输入电压噪声放大与低电阻值作出了反馈网络，无论是从电阻器或放大器的输入噪声电流以避免增加明显的1/F噪声。Maxim>AppNotes>AudioCircuitsSignalGenerationCircuitsKeywords:whitenoise,pinknoise,flickernoise,1/fnoise,low-noiseopampsDec06,2010APPLICATIONNOTE4527White-NoiseGeneratorHasNo1/fComponentAbstract:Inthisnoise-generatorcircuit,theamplifier(MAX4238)hasno1/fcomponentinitsinputvoltagenoise.Itamplifiesitsowninput-voltagenoisewithafeedbacknetworkmadewithlow-valueresistors,toavoidaddingnoticeable1/fnoiseeitherfromtheresistorsorfromtheamplifier’sinputnoisecurrent.AsimilarversionofthisarticleappearedintheMarch20,2008issueofEDNmagazine.White-noisegenerators(thoseforwhichthegraphofoutput-powerdensityvs.frequencyisflat)areusefulfort……

摘要：热噪声计算器（TNC）艾滋病在电阻和其他噪声源中的热噪声分析。该方案是®50克使用惠普计算器或免费的PC模拟器Maxim>DesignSupport>AppNotes>A/DandD/AConversion/SamplingCircuits>APP5059Maxim>DesignSupport>AppNotes>AmplifierandComparatorCircuits>APP5059Maxim>DesignSupport>AppNotes>DigitalPotentiometers>APP5059Keywords:thermalnoise,noisevoltage,whitespectraldensity,Johnsonresistance,temperature,1/fcornerfrequency,calculators,analogcircuitdesign,HP50gprograms,designtool,circuitanalysis,signaltestmeasurement,bandwidth,clock,jitter,analogreferredAug23,2011APPLICATIONNOTE5059ThermalNoiseCalculatorTutorialBy:BillLaumeister,StrategicApplicationsEngineerAbstract:TheThermalNoiseCalculator(TNC……