标签: -

Nicjednoduššího,staèívzítprocesor,vtomtopøípadìklonøady51aLANkartu,pùvodnìurèenoupropoèítaèePC,párdrobnýchsouèástekjakojekonektorproISAkartu,kousekbastldesky,krystal,jedenaždvaelektrolytickékondenzátory,dvakeramickéapokudchceteinìjakáblikátkatakpárLEDekspøíslušnýmiodpory.Všeseøádnìpropojíacovznikne?WWWserver,vtomtopøípadìjedenznejmenšíchnasvìtì.……

FL-I型热压机微机控制系统的研制……

介绍了Profibus-DP现场总线的最新发展，并使用Siemens的DP协议芯片SPC3进行了DP总线硬件接口电路的设计，着重介绍了带有DP总线接口的毫伏信号测量智能节点的硬件组成、测量原理及主要程序的流程图。……

使用ISL3330或ISL3331实施三孔,半双工,双协议(RS-232/RS-485)的接口ImplementingaThreePin,Half-Duplex,DualProtocol(RS-232/RS-485)InterfaceUsingtheISL3330orISL3331ApplicationNoteMay27,2008AN1401.0ByJeffLiesIntroductionloopback,etc.).Oneofthesesub-modesisparticularlyusefulforthis……

AddaLossofSignal(LOS)IndicatortoYourRS-485orRS-422TransceiverApplicationNote1593Author:JeffLiesAddaLossofSignal(LOS)IndicatortoYourRS-485orRS-422TransceiverIntroductionRxFailsafeAdesirablefeatureonanynetworkmaybeaLossofSignalInRS-485/RS-422terminology,“failsafe”isusedtoindicate(LOS)indicator.SuchanindicatoralertsamonitoringcontrollerRxfunctionalitythatdrivestheRxoutputtoaknownstatethatapotentiallyseriousnetworkerrorhasoccurred,thereby……

有关IntersilRS-232发射器/接收器提供高速和15K.VESD保护IntersilRS-232Transmitter/ReceiversProvideHighSpeedand15KVESDProtectionApplicationNoteNovember21,2005AN9799.2Author:GeneFahertyIntroductionEOS/ESDTheIntersilfamilyofhigh-speed,15kVESD-protectedESD(ElectrostaticDischarge)whichisasubsetofEOSdevices(HIN202E-HIN241E)offerstheuserunparalleled(Electrical……

infineonc16x系列点时间计时器(软件)……

infineonc16x系列点时间计时器……

，才能确定天线的特点，是衡量其性能，因为理论本身无法预测的实际结果。由天线产生的领域是极其复杂的，因为他们与环境中的一切交互。鉴于这种复杂性，天线测量和分析会更成功，如果你使用的经验和经认可的天线实验室，配备处理测试标准，其细微之处。Maxim>AppNotes>AUTOMOTIVEKeywords:UHFantenna-FCCtesting-FieldTestMar26,2006APPLICATIONNOTE3622SmallLoopAntennas:Part2―FieldTestsAbstract:Theonlywaytodeterminethecharacteristicsofanantennaistomeasureitsperformancesincetheoryalonecannotpredicttheactualresults.Thefieldsgeneratedbyantennasareextremelycomplexbecausetheyinteractwitheverythingintheenvironment.Giventhiscomplexity,antennameasurementandanalysiswillbemoresuccessfulifyouuseanexperiencedandaccreditedantennalaboratoryequippedtohandlethetests,standards,andtheirnuances.Thisarticleisthesecondofatwo-partanalysisofantennatheoryanddesignforaremote-key……

摘要：许多汽车的机械功能已被取代或修订近年来的电子电路。一个结果已经在微控制器，每车的数量迅速增加，类似的增长来自汽车电池生产中的总电流。只要车电机运行和发电机运转正常，这个功耗是不是一个问题。Maxim>AppNotes>AUTOMOTIVECIRCUITPROTECTIONVOLTAGEREFERENCESKeywords:Quiescentcurrent-LoadDumpOvervoltagePulse-Feb09,2007APPLICATIONNOTE3928AutomotiveLinearRegulatorsMinimizeQuiescentCurrentAbstract:Manyautomotivemechanicalfunctionshavebeenreplacedoramendedbyelectroniccircuitsinrecentyears.Oneconsequencehasbeenarapidincreaseinthenumberofmicrocontrollerspercar,producingasimilarincreaseinthetotalcurrentdrawnfromthecarbattery.Aslongthecarmotorisrunningandthealternatorisoperatingproperly,thispowerconsumptionisnotaconcern.Whenyouturnoffthemotor,however,thecarbatterymustimmediatelydeliverallcurrentsdemandedbythevarioussubsystems:……

3.3V,±15kVESDProtected,DualProtocol(RS-232/RS-485)TransceiversISL3330,ISL3331DataSheetMay20,2008FN6361.03.3V,±15kVESDProtected,DualProtocolFeatures(RS-232/RS-485)TransceiversUserSelectableRS-232orRS-485/RS-422InterfacePortThesedevicesareBiCMOSinterfaceICsthatareuser(TwoRS-232TransceiversorOneRS-485/RS-422configuredaseitherasingleRS-422/RS-485differentialTransceiver)transceiver,orasadual(2Tx,2Rx……