标签: sources

MicrowavePlasmaSourcesandMethodsinProcessingTechnology,IEEEPress

电子产品日新月异，不管是硬件工程师还是软件工程师，基本的模电、数电、微机原理、信号处理等知识是必备的条件，从二极管到三极管，从单片机到多核MCU，3G网络到5G产品的普及，不管电子产品的集成度怎么高，其产品还是少不了电阻电容电感，每个元器件在电路中必然有其作用，有兴趣了解的网友，下载学习学习吧。

ti-PCB讨论……

摘要：本应用笔记讨论了电路的切换，而无需切换噪声的MAX6326电源效率。它讨论了一个简单的二极管条例方法使用这种技术的优点。Maxim>Designsupport>Appnotes>Automotive>APP1136Maxim>Designsupport>Appnotes>MicroprocessorSupervisorCircuits>APP1136Keywords:batterybackup,powerswitching,externalpowersources,batteryswitchover,switchoverJun27,2002APPLICATIONNOTE1136SwitchingBetweenBatteryandExternalPowerSourcesAbstract:ThefollowingapplicationnotediscussesacircuitthatswitchespowersourcesefficientlywithoutswitchingnoiseusingtheMAX6326.Itdiscussestheadvantagesofusingthistechniqueoverasimplediode-ordmethod.AsimilarversionofthisarticleappearedintheMay13,2002issueofElectronicDesignmagazine.Portableequipmentth……

摘要：模仿自然的软启动的白炽灯，此电路使用内置LED驱动IC(MAX16832)的热折弯保护。从而避免了否则指示灯由展示的恼人和几乎瞬时启动。Maxim>AppNotes>DisplayDriversLEDLightingKeywords:LEDdrivers,softstart,NTCresistors,constant-currentsources,current-foldbackprotectionAug17,2010APPLICATIONNOTE4481Soft-StartEnhancesLEDDriverBy:FonsJanssen,SeniorMemberoftheTechnicalStaffAbstract:Toemulatethenaturalsoftstartofanincandescentbulb,thiscircuitmakesuseofthethermal-foldbackprotectionbuiltintoanLED-driverIC(MAX16832).IttherebyavoidstheannoyingandalmostinstantaneousstartupotherwiseexhibitedbyLEDs.AsimilarversionofthisarticleappearedintheMarch11,2009issueofPowerManagementDesignline(EETimes).OneofthelessobviousdifferencesbetweenincandescentlightbulbsandLED-basedlightsisthespeedatwhichtheystartup.Ani……

NoiseSourcesinCMOSImageSensorsNoiseSourcesinCMOSImageSensorsHewlett-PackardComponentsGroupImagingProductsOperationsINTRODUCTIONUntilrecently,CMOSimagesensorshavebeenplaguedbypoorimagequalityduetohighfixedpatternnoise(FPN),highdarkcurrentandpoorsensitivity.UnderstandingtherelationshipbetweennoisesourcesandtheimageoutputofaCMOSsensorwillimproveyourabilitytodesignhighqualitysolutionswithCMOStechnology.Potentialnoisesourcesarepresentfromthesensorphotodiodethroughthecolumnandprogrammablegainamplifiers(PGA)andanalog-to-digitalconverters(ADC)CMOSActivePixelSensorArrayColumnAmplifiersPGAPGAPixelReset(kT/C)Noise:Thesignalintegratedonapixelismeasuredrelativetoitsresetlevel.Thethermalnoiseuncertaintyassociatedwith……