安捷伦射频测试方案简介

1NA316AgilentRestrictedNov.2005•测试框架介绍•射频电路测试部分•元器件测试部分射频通信测试研讨会2宽带无线通信的框架316900A逻辑分析仪N1912A功率计89650A矢量信号分析仪54830A数字示波器发射机电路测试解决方案Ascanbeseenfromtheslide,aradarsystemiscomposedofmanyindividualRFandmicrowavecomponents,suchasamplifiers,mixers,filtersandantennas.Accuratecharacterizationofthesecomponentsiscriticalforeffectivesystemsimulationandverification.Someofthesecomponentscanbetestedwithconventionalswept,continuous-wave（CW）signals,yieldingtraditionalS-parameters.However,someofthecomponentsmustbetestedunderpulsed-RFconditionstosimulatetheirintendedoperatingenvironment.Wewillcoverboththerequiredpulsed-RFmeasurementsaswellasthetechniquesbywhichtheyareachieved.4N5102A数字接口E8267D矢量信号源或者E4438CE8257D微波信号源或者N5181A接收机电路测试解决方案Ascanbeseenfromtheslide,aradarsystemiscomposedofmanyindividualRFandmicrowavecomponents,suchasamplifiers,mixers,filtersandantennas.Accuratecharacterizationofthesecomponentsiscriticalforeffectivesystemsimulationandverification.Someofthesecomponentscanbetestedwithconventionalswept,continuous-wave（CW）signals,yieldingtraditionalS-parameters.However,someofthecomponentsmustbetestedunderpulsed-RFconditionstosimulatetheirintendedoperatingenvironment.Wewillcoverboththerequiredpulsed-RFmeasurementsaswellasthetechniquesbywhichtheyareachieved.5信号产生方式基带信号数据模拟或数字IQ信号射频信号输出输出信号基带信号建立基带信号建立基带信号输出基带信号输出InternalBasebandGeneratorsBasebandStudioSignalStudioSoftware射频信号输出射频信号输出Today,signalgenerationsolutionsarebestdescribedbytheindividualsubcomponentsthatcomprisethesolution.Signalgenerationcanbebrokendownormodeledintothreemainelements,SignalCreation,wheresoftwareorfirmwarecreatesthebits,BasebandSignalGeneration,whichturnsthebitsintolowfrequencyI/Qsignal,andRF/MWSignalGeneration,thatupconvertstotheRForMWfrequencyofinterest.Agilentsourcesofferallthesecapabilities,alongwiththeopportunitytoinputorextractsignalsfromvariouslevels.6Agilent信号源分类BasicPerformanceE8257DPSGMWHighPerformanceE8663BE4428CESGRFE8267DPSGMWE4438CESGRFRFN5181AMXGRFN5182AMXGRFMid-PerformanceN9310ARFN9310ARFAnalogVectorO1,2,3,4,or6GHzfreq.rangeOHighpowerOSpectralpurityO160MHzextI/QO80MHzBBGBWOReal-time&ARBBBGO64MSawaveformplaybackO1GSawaveformstorageOBERT&DigitalI/QI/OO3G,WiMAX,WLAN,DigitalVideo,andmoreO20,32,or44GHzfreq.rangeOHighpowerOWorldclassSSBphasenoiseO2GHzextI/QO80MHzBBGBWOReal-time&ARBBBGO64MSawaveformplaybackO1GSawaveformstorageODigitalI/QI/OOPulsebuilding,NPR/multitone,3G,WiMAX,WLAN,Digitalvideo,andmoreO3or6GHzfreq.rangeOFastswitchingOBestACPRO100MHzBBGBWO160MHzextI/QOARBBBGO64MSawaveformplaybackO100MSawaveformstorageO3G,WiMAX,WLAN,DigitalVideo,andmoreO3GHzfreq.rangeOExternalI/QonlyO80MHzextI/QO3or6GHzfreq.rangeOHighpowerOSpectralpurityOAM,FM,PM,andPulseO20,32,40,50or67GHzfreq.rangeOExtensionsupto325GHzOHighpowerOWorldclassSSBphasenoiseOAM,FM,PM,Pulse,Narrowpulse,ScanO1,3,or6GHzfreq.rangeOFastswitchingOAM,FM,PM,andPulseO3GHzfreq.rangeOAM,FM,PM,andPulseO3.2or9GHzfreq.rangeOHighpowerOWorldclassSSBphasenoiseOAM,FM,PM,Pulse,andNarrowpulse7矢量信号产生过程BasebandSignalGenerator(internalorexternal)RF/MWDACDACLPFQ90°LOIRe-samplingI/QWaveformFilenQRAMnnnRe-samplingIRAMI/QmodulatorLPFALCnnFIRFIRnnQIDrivenbythepopularityofdigitalmodulationschemesintoday’scommunicationssystems,vectorsignalgeneratorshavebecometheinstrumentofchoicetoprovidereal-worldteststimuliformodernwirelesstransceiversandtheircomponents.Thisisprimarilyduetotheeasewithwhichawidevarietyoftestsignalscanbecreatedusingwidebandarbitrarywaveformgenerators.Virtuallyanycomplexmodulationschemeiseasilyachievedusingwaveformsimulationsoftwareandtheneasilydownloadedtothesignalgeneratorforplayback.MostvectorsignalgeneratorsareequippedwithinternalarbitraryIQwaveformgeneratorsandIQmodulatorstosupportthesecomplexmodulationschemes.TheyprovidebothbasebandandRF/microwavetestsignalsinasingleintegratedinstrument.Externalbasebandgeneratorscanalsobeused,whentheyaddvaluetoatestconfiguration.Atahighlevel,avectorsignalgeneratoriscomposedofseveralfundamentalblocks:waveformmemory,resampling,FIRfilters,digital-to-analogconverters,analogIQfilters,I/Qmodulator,attenuator,andanautomaticlevelcontrol(ALC)circuit.Toaccuratelygeneraterepeatablecalibratedteststimuli,itisessentialtoidentifytheprimarysourcesoferrorinthesignalpathandfindmethodstocontendwithand/orcorrectforthoseimperfections.Fortunately,properconditioningofthewaveformcanultimatelyavoidand/orcorrectformanyadditiveimpairmentsinherentinthebasebandandRF/microwavesignalgeneratorhardware.8N8241A任意波形发生器--“N6030ALXIVersion”10Bits625MS/s250MHzN8242A-06210Bits1.25GS/s500MHzN8242A-12515Bits625MS/s250MHzN8241A-06215Bits15Bits15Bits1.25GS/s1.25GS/s1.25GS/s500MHz500MHz500MHzN8241AN8241AN8241A---125125125分辨率采样时钟带宽型号N6030A输出信号杂波抑制性能9DUTRFAnalogI/QESGorPSGN5102A数字接口卡N5102ADigitalIQDUTRFAnalogI/QESGorPSGDigitalIQ/IFN5102ADigitalSignalInterfaceModule与被测件匹配的数字接口•串行或并行数据方式•LVTTL,LVCMOS(3.3V,2.5V,1.8V,1.5V),orLVDS•IQ或数字IF信号•2’scomplementoroffsetbinary•MSBorLSB•4to16-bitwords•并行状态：1to100MHz采样速率•串行状态：400M采样速率•可使用内部和外部时钟信号•每个数据位最多4个采样时钟•Adjustableclock-to-dataskewWiththeBasebandStudiodigital