标签: 应用笔记

ADI模数转换器应用笔记-第一册，该丛书详细介绍了ADI产品在医疗电子、通信、工业仪器仪表、汽车电子等行业的应用,以理论与实际案例相结合的方式为读者们讲解了世界先进处理器的设计与使用。ADI器件应用丛书ADI模数转换器应用笔记(第1册)ADI公司编译内容简介由ADI工程师亲自参与设计、调试并验证的模数转换器应用笔记。通过这些应用笔记,为许多通用应用提供解决方案。每款模数转换器电路包含详细的设计文档。电路功能和性能已经过硬件验证。本书将是广大工程技术人员、高等学校师生进行电路设计的参考书。图书在版编目(CIP)数据ADI模数转换器应用笔记.第1册/ADI公司编译.--:,北京北京航空航天大学出版社2011.7ISBN9787512404151Ⅰ.①A…Ⅱ.①A…Ⅲ.①模数转换器―研究Ⅳ.①TP335中国版本图书馆CIP数据核字(2011)第072420号版权所有,侵权必究。ADI模数转换器应用笔记(第1册)ADI公司编译责任编辑张楠王松……

ADI放大器应用笔记-第一册，北航出版社出版。ADI在模拟和数字信号领域中已经发展了40多年。在这几十年间,我们不断推动技术的创新和进步,不断提高相关领域的各类产品性能以满足客户的广泛需求,包括消费类、通信、医疗、运输和工业等方面。令人欣慰的是,至2009年,ADI已经拥有遍布世界各地的60000余家客户。而通过大学计划、培训、研讨会等活动所积累起来的资源更是不计其数。如何让我们的客户,让ADI技术产品的使用者和爱好者,真正准确、有效、快捷地掌握相关知识与设计技巧,是我们需要考虑的,也是我们为所有用户提供的非常重要的服务之一。经过多年的运行和完善,ADI已经拥有了一整套对中国工程师以及在校工科类学生的培养计划,如每年一届的中国大学创新设计竞赛,在高校建立的联合实验室,各类线上线下研讨会,还有在多个城市开展的高水平培训课程等等。这些计划架起了ADI与用户之间最直接、最有效的沟通桥梁。同时,为了使更多的电子技术领域从业者和爱好者了解数字信号处理和电子产品设计理念,我们还邀请了业内具有较深影响力的专家、学者、教授共同编写并出版一套基于ADI模拟和数字产品的应用技术丛书。ADI器件应用丛书ADI放大器应用笔记(第1册)ADI公司编译内容简介由ADI工程师亲自参与设计、调试并验证的放大器应用笔记。通过这些应用笔记,为许多通用应用提供解决方案。每款放大器电路包含详细的设计文档。电路功能和性能已经过硬件验证。本书将是广大工程技术人员、高等学校师生进行电路设计的参考书。图书在版编目(CIP)数据ADI放大器应用笔记.第1册/ADI公司编译.--北:,京北京航空航天大学出版社2011.7ISBN9787512404045Ⅰ.①A…Ⅱ.①A…Ⅲ.①仪表-放大器Ⅳ.①TN722.7中国版本图书馆CIP数据核字(2011)第060298号版权所有,侵权必究。ADI放大器应用笔记(第1册)ADI公司编译责任编辑张……

TheVoyagerM3USB3.0Verificationplatformsupportsslowerthanstandardclockratesforprototypeandsimulationtesting.AllVoyager3.0Prosystemsincludetheoptointoselect1/2and1/4clockrates.This"fractionalclock"modecanoperateatbetween2.5GHzand1.25GHzoverstandardUSBcablesortheSMA(coax)inputsonthefrontofVoyagerplatformsthatincludetheSMAoption.VoyagerUSB3.0ProtocolAnalyzerSlowClockSupportApplicationNoteTheVoyagerM3USB3.0Verificationplatformsupportsslowerthanstandardclockratesforprototypeandsimulationtesting.AllVoyager3.0Prosystemsincludetheoptiontoselectandclockrates.ThisGigabitclockcanoperateat2.5GHz(5Gbps),1.25GHz(2.5Gbps,)and625MHz(1.25Gbps)overstandardUSBcables.This“fractionalclock”modeisalsosupportedovertheSMA(coax)inputsonthefrontofVoyagerplatform(forplatformsthatincludetheSMAoption).Therearetwoextracostslowclockoptionsth……

ThisapplicationnotedetailstheproceduretosetuptheLeCroySATADeviceexercisertosendtheSATABuilt-In-Self-Test(BIST)commandtoaSATAhostadapter.ProtocolSolutionsGroupPSGLeCroy……

BeginningwithSWRelease6.5.x.x(availablelateApril/May2011),theSPARQsoftwareincludesthecapabilityofperformingauser-generated2nd-tiercalibration.Whenauser2nd-tiercalibrationisused,errortermsfromasecondarymanualcalibrationisapplied“ontop”oftheautomaticOSLTandfactorycalibrations.Oneapplicationofthisfeatureincludesde-embeddingoffixturesusedforcablemeasurementsincludingSFP+,QSFP+,DisplayPortandUSB3.0fixturesbyusingcalibrationstructuresincludedwiththecabletestingfixtures.Thisapplicationnotedescribeshowtoperformauser2nd-tiercalibrationthatde-embedsthetestfixture.Using2ndTierCalibrationforAPPLICATIONNOTECableFixtureDe-embeddingDr.AlanBlankman,SPARQProductManagerSummaryBeginningwithSWRelease6.5.x.x(availableMay/June2011),theSPARQsoftwareincludesthecapabilityofperformingauser-generated2nd-tiercalibration.Whenauser2nd-tiercalibrationisused,errortermsfromasecondarymanualcalibrationisapplied“ontop”oftheautomaticOSLTandfactorycalibrations.Oneapplicationofthisfeatureincludesde-embeddingoffixturesusedforcablemeasurementsincludingSFP+,QSFP+,DisplayPortandUSB3.0fixturesbyusingcalibrationstructuresincludedwiththecabletestingfixtures.Thisapplicationnotedescribeshowtoperformauser2nd-tiercalibrationthatde-……

Emulationofhostortargetdevicesacceleratesdevelopmentcyclesbyprovidingasimplemeanstotestanddebugnewcode,toemulatedevicesunderdevelopment,andtoensurethereliabilityofnewdesigns.TECHNICALBRIEFEmulationAcceleratesProductDevelopmentCyclesMatthewHallbergStorageProtocolSpecialistLeCroyProtocolSolutionsGroupIntoday’srapidlychanging,data-centricWhyEmulationEnablesFasterenvironment,onekeyrequirementremainsconstant:everycompanyneedsreliableandPro……

VerificationofUSBSoftwareStackinaDevelopmentSystemusingslowerthanstandardclocktiming(USBSlowClockOption)TECHNICALBRIEFVerificationofUSBSoftwareStackinaDevelopmentSystem(USBSlowClockOption)MatthewDunnLeCroyPSGIntroductionDependingonthetypeoftrafficbeinggenerated(High,Full,Low)wecandividetheWhendevelopingaUSBsoftwarestackwhichdevelopmentsystem’sbitclockintotheistobeembeddedinanFPGAorASIC,itis……

ThisTechnicalBriefshowhowtouseLeCroy'sProtocolTestCard(PTC)forPCIExpress®systemstoexercisetheplatformBIOStoensurethatitproperlydetectsandinitializesPCIExpressdevices.TECHNICALBRIEFBIOSPlatformTestingUsingLeCroy’sProtocolTestCardPaulHirschFieldApplicationsEngineerLeCroyProtocolSolutionsGroupLeCroy’sProtocolTestCard(PTC)forPCI2.Logintoyourmemberaccount.Expresssystemsprovidesameansfor3.Inthe“MembersOnlyDownloads”section,developersandcustomer……

CATCUPT2ConfigurationApplicationNote3385ScottBlvd.,SantaClara,CA95054Tel:+1/408.727.6600Fax:+1/408.727.6622CATCUPT2ConfigurationApplicationNoteRevision1.00July21,2004CATCUPT2ConfigurationApplicationNoteVersion1.00DocumentDisclaimerTheinformationcontainedinthisdocumenthasbeencarefullycheckedandisbelievedtobereliable.However,noresponsibilitycanbeassumedforinaccuraciesthatmaynothavebeendetected.CATCreservestherighttorevisetheinformationpresentedinthisdocumentwithoutnoticeorpenalty.TrademarksandServicemarksCATCandUPT2aretrademarksofComputerAccessTechnologyCorporation.Microsoft,Windows,Windows……

TheseApplicationNotesaresupplementaltotheprinteddocumentationincludedwiththeCATCSASTracer/Trainerv1.3.LeCroySASTracer/Trainerv2.5&SATracer/Trainerv4.5ApplicationNotesSASTracerv2.5/SATracerv4.5aresoftwareupgradesavailableforregistereduser’swithcurrentmaintenanceagreements.Thesereleasesanalyzersintoasingletracefile.Designedforhighportcountapplications,mergedfilesprovideatime-synchronizedviewwithupto16channelsincludethefollowingenhancements:oftraffic.ThisincludesenhancementstotheLinkTrackerwhichshowsabidirectionalflowof1.MergeCascadedTracefiles-SASTracercan……

Thedatabussesinaircraftandspacecraftrequireveryhighqualityintransmissionandreceptionsincepropercommunicationofcommandsanddataarecrucialtooperation.TheARINC429standardusedpredominatelyincommercialaircraftandtheMIL-STD-1553bususedinmilitaryavionicsandspacevehicles(militaryandcommercial)havesomecommoncharacteristicsaswellasimportantdifferences.Thispaperwillgiveusefulexamplesofhowtoview,testandtroubleshootthesebussesusingdigitaloscilloscopes.Testing&DebuggingAvionicsSystemsthatTECHNICALBRIEFUseARINC429orMIL-STD-1553DataBussesDr.MichaelLauterbachPhysicalCharacteristicsJanuary11,2012Aswithmanyserialdatasystems,bothARINC429andMIL-STD-1553aredifferentialbusses.ARINC429isthesimplerandlesscostlyoftheSummarytwo.Thephysicalconnectionisviatwistedpairwireswithbalanceddifferentialsignals.Itusesaselfclocking,selfsynchronizingdatabus.ThedatabussesinaircraftMIL-STD-1553usesdualredundantbalanceddifferentialpairs.Thepeakandspace……

Itispossibletoloadandreplaybinarytrc-filescapturedwithaLeCroyoscilloscopewiththeArbStudioarbitrarywaveformgenerators.ButtheArbStudiohasamaximummemorylengthof2MSperchannelandasamplerateofmax.250MS/s.Thisapplicationbriefdescibeshowtocircumventtheselimits.LoadingBinaryWaveformsintoArbStudioLABBRIEFLAB-913March07,2012Toloadasavedbinarywaveform(*.trc-file)intoArbStudioyoufirsthavetoknowthememorylengthandsamplerateofthewaveformhasbeencaptured.Ifyoudon’tknowthesedetailsyouhavetwopossibilitiestofindSummarythisout.Itispossibletoloadandreplaybinarytrc-filescapturedThefirstpossibilityistousetheLeCroySoftwareWaveStudio.withaLeCroyoscilloscopeWaveStudioisafreesoftwarefromLeCroycapabletoloadingbinarywiththeArbStudioarbitrarywaveforms.YoucandownloadthesoftwarefromtheLeCroy……

BothLeCroy’sERES(EnhancedResolution)mathoperationandtheTektronixHiRes(HighResolution)acquisitionmodeareFIR(FiniteImpulseResponse)filters.Theirfunctionistoremovehighbandwidthcomponentsofthesignalandhighbandwidthcomponentsofacquisitionnoisefromawaveform.Beyondthatbasicsimilaritythetwooperationsarecompletelydifferentonbothamathematicalandoperationallevel.DifferencesBetweenERESandHiResAPPLICATIONBRIEFHowDoTheyWork?(ERES)November,2011ERESisapost-acquisitionprocessingfunctionavailableinmanyLeCroyoscilloscopes.Theusercontrolstheamountoffilteringdesired.IntheSummaryexamplesinFigure1aand1b,thedialogboxinthelowerrighthandcornershowstheuserisrequesting2.5additionalbitsofverticalBothLeCroy’sERESresolution.Theusercanrequest0.5,1,1.5,2,2.5or3bitsofenhanced(EnhancedResolution)mathresolution.Ofcourseextraresol……

HerearetheprocedurestoconnectaclientPCtoaScopeviaDCOMFortheWindows7PCSideSetupTECHNICALNOTEJune9,2011DCOMinterconnectionisnoteasytosetup.ThewaytodoitdependsonSummarytheOSandversiononbothsides(PCandoscilloscope).ItalsodependsonthelevelofvisibilityinanNTdomain.IfthescopeisNOTinthesameHerearetheprocedurestodomainastheclientPC,theuseronthePCsideshouldbeallowedontheconnectaclientPCtoaScopeviaDCOMscopeside.Therefore,auseraccountwiththesamenameANDthesamepasswordasthecurrentPCusermustexistontheoscilloscope……

Groundleadinductancecancausesignaldistortion.Choosingthecorrectsignalleadconfigurationisimportant.MinimizeGroundLeadEffectsinProbesLAB-WM1026GeneralpurposehighimpedancepassiveprobeshaveagroundleadSummaryconnectionasasignalreference.TheprobesareusuallymadewithaGroundleadinductancecanshortwirethatconnectstheprobeheadtothesignalgroundreference.causesignaldistortion.Sincetheshortwirehasinductance,somedistortionmaybecausedtoChoosingthecorrectsignalthesignal,especiallyifithasafasttransitiontime.Becauseofthisleadleadconfigurationisimportantinductance,itisrecommendedtokeepthelengthasshortaspossible.LeCroy’spassiveprob……

CATC’sanalyzerplatformsofferarichselectionofdisplayoptionsdesignedforspecificanalysistasksEnablingGlobalConnectivityComputerAccessTechnologyCorporation3385ScottBlvd.,SantaClara,CA95054-3115Tel:(408)727-6600,Fax:(408)727-6622tAccelerateDevelopmentofUSBdeviceswithVendor-SpecificandProprietaryDecodesApplicationNote,Rev1.0RelevantCATCproductsUSBTracer/USBTrainerAdvancedVerificationSystemsUSBMobileBusandProtocolAnalyzerSystemsUSBAdvisorBusandProtocolAnalyzerUSBChiefBusandProtocolAnalyzerGenera……

SerialAttachedSCSI(SAS)isthenextevolutionofSCSIbeyondUltra320.EnablingGlobalConnectivityComputerAccessTechnologyCorporation3385ScottBlvd.,SantaClara,CA95054-3115Tel:(408)727-6600,Fax:(408)727-6622www.catc.comSASevolutionbringsdebugchallengesApplicationNoteSerialAttachedSCSI(SAS)isthenextevolutionofSCSIbeyondUltra320.Itutilizesserial,point-to-point,switchedarchitectureandpromisestogreatlyexpandupontheexistingcapabilitiesofitsparallelpredecessor.SerialAttachedSCSIintendstoleveragethe20yearsofprovenSCSIlegacymiddleware/softwarethatisentrenchedintheenterprise,aswell……

ThisdocumentoutlinesthesupportedtestconfigurationsformonitoringSASandSATAphysicallinksusingCATC’sSASTracerprotocolanalyzerplatform.SASTracerProtocolAnalyzerConfigurations:ThisdocumentoutlinesthesupportedtestconfigurationsformonitoringSASandSATAphysicallinksusingtheLeCroySASTracerprotocolanalyzerplatform.SASTracer1or2PortSASConfigurationsa.SASTracerconfiguredforsingleportoperationwithtestsetuptomonitortrafficpassingbetweenSASInitiatorandSASDevice.ThissetupreflectsearlydevelopmentSASHDDprototypesthatutilizeSATA-IplugconnectorsonlyontheHDD.StandardSATAstyleinternalreceptacleconnectorsandcablesmayalsobeusedtoattachSASinitiatordirectlytoanalyzer.b.SASTracerconfiguredfortwoportoperationwithcableattachmenttomonitorbetweendualportedconnectorsonaSASHDDandtwoseparateportsonaSASinitiator.Thissetupreflectsfut……

SerialAttachedSCSI(SAS)isanemergingstoragetechnologythatimprovesupontheperformanceandscalabilityoftraditionalSCSItechnologywhileofferingenterpriseclassreliability.EnablingGlobalConnectivityComputerAccessTechnologyCorporation3385ScottBlvd.,SantaClara,CA95054Tel:(408)727-6600,Fax:(408)727-6622www.catc.comIntroductiontoSASComplianceTestingSerialAttachedSCSI(SAS)isanemergingstoragetechnologythatimprovesupontheperformanceandscalabilityoftraditionalSCSItechnologywhileofferingenterprise-classreliability.SASdeveloperstookamajorsteptowardsdeliveringSASbasedproductswhentheSCSITradeassociationconcludeditsfirstinteroperabilityplugfestinMarchof2004.SAShasmove……

SerialAttachedSCSI(SAS)isanemergingstoragetechnologythatimprovesupontheperformanceandscalabilityoftraditionalSCSItechnologywhileofferingenterpriseclassreliability.ApplicationNote:SelectingCATCTraceDisplayOptionsForLeCroy’sSASTracerv2.0,SATracerv4.0,andFCTracerv2.1LeCroy’sanalyzerplatformsofferarichselectionofdisplayoptionsdesignedforspecificanalysistasks(describedbelow).TomaximizetheefficiencyoftheCATCTrace,usersshouldfamiliarizethemselveswitheachoftheLeCroydisplayoptionstodeterminewhichviewsbestaddresstheirspecificneeds.1LeCroy’soriginalcolor-codeddisplayofbuseventsistheidealsolutionforshowing……