类型分析仪器品牌HP型号4291A新旧程度8成新阻抗分析仪：hp4291a频率范围：1m—1000m主要用途测试材料的阻抗z，导纳y，电感l，电阻r，介电损耗d，品质因数射频阻抗计量器具检定系统HewlettPackard4291ARFImpedanceAnalyzer,RefurbishedBasicaccuracy±0.8%AdvancedcalibrationanderrorcompensationFourcomponenttestfixtures(DUTsize:0.5mmto20mm)Independentparameterselectionin2channelsDirectread-outpermittivity,permeabilityTwomaterialfixtures(operatingtemperature:-55°to+200°C)Versatileanalysis(temperature,cole-coleplot,relaxationtime)Sweptparameters(frequency,aclevel,dcbias,temperature)Opti***:16091A-CoaxialTestFixture16092A-SpringClipTestFixture16093A-BindingPostTestFixture16093B-BindingPostTestFixture16094A-ProbeFixture002-100Hz/200Hzresolutionsynthesizer004-RecorderOutputsHewlettPackard4291AShownHP4291Aimpedance/materialanalyzerprovidesatotalsolutionforhigh-accuracyandeasymeasurementofsurface-mountcomponentsanddielectric/magneticmaterials.The4291Ausesadirectcurrent-voltagemeasurementtechnique,asopposedtothereflectionmeasurementtechnique,formoreaccurateimpedancemeasurementoverwideimpedancerange.Basicimpedanceaccuracyis±0.8%.HighQaccuracyenableslow-losscomponentanalysis.Aninternalsynthesizersweepsfrequencyfrom1MHzto1.8GHzwith1mHzresolution.A1.8merror-lesscableconnectstheanalyzertoateststationsoyoucanextendyourtestpointawayfromtheanalyzerwithoutlosingaccuracy.AdvancedcalibrationanderrorcompensationfunctioneliminatemeasurementerrorfactorsinfixturesandassurehighaccuracyandrepeatabilityatDUT/MUT.The4291AalsoprovidesautomaticlevelcontrolandmonitoroftestsignalsbyusingI-BASICprogrammingfunction;devicescanbemeasuredunderac***tantvoltageorcurrent.Measurebias-dependentimpedancecharacteristicswithoptionaldcbias(upto40Vand100mA).Atthepushofabutton,thebuilt-inEquivalentCircuitAnalysisFunctionautomaticallycalculatesthecircuitc***tantvaluesoffivecircuitmodels(similarto4194A'sEquivalentCircuitAnalysisFunction.)The4291Ahastwomeasurementchannels;eachchannelcanbesettomeasureasingle(e.g.,Z)ordual(e.g.,Z-theta)impedanceparameter.ThecolorCRTwithsplit-displaycanshowbothactivetracesandmemorytraces(storedinRAM).Abuilt-infloppydiskdrivestoresprogramsandtestdataineitherLIForMS-DOSformat.WithoptionalIBASIC(Opt1C2),youcancontrolexternaltestequipmentsuchasatemperaturechamberorwaferproberdirectlyfromthe4291A.Youdonotneedaseparateinstrumentcontroller.Opt1C2givesyouakeyboardandtheHPIBASICprogramminglanguagefortestautomationandintegration.MaterialEvaluationThe4291Aenableseasyandsophisticatedmaterialevaluationandimprovesmaterialevaluationqualityandefficiency.The4291Aprovidesthetotaldielectric/magneticmaterialmeasurementsoluti***inwidefrequencyrange(1MHzto1.8GHz).KeyFeaturesDirectmaterialparametersread-out(permitivity,permeability)Materialanalysisfuncti***(cole-coleplots,relaxationtimeanalysis)Versatileevaluationusingavarietyofsweptparameters(frequency,signallevel,temperature,etc.)TestFixturesSelectfromfourtypesofcomponenttestfixtures:16191A,16192A,16193A,and16194A.Thesetestfixturesdirectlyconnecttotheteststation'sAPC7connector.Eachfixtureisdesignedforadifferentcomponentsizerange,from0.5mmto20mm,andcanhandledifferenttypesoftermination.Theseadjustablefixturessimplifydeviceconnection.Fortemperaturecoefficienttesting,the16194Ahigh-temperaturecomponenttestfixturecanbeusedinatemperatureovenfrom-55°to+200°C.Togetherwiththe4291A'sbuilt-incompensationsoftware,thefixturesensureimpedanceaccuracyandmeasurementrepeatability.The16453Adielectricmaterialtestfixtureand16454Amagneticmaterialtestfixtureimprovetheaccuracyandeaseofuseforpermittivityorpermeabilitymeasurements.Thesematerialfixturesh***ewideoperatingtemperatureof-55°to+200°C.Formeasuringthin-filmdevicesandsemiconductors,the4291Aeasilyinterfacestoawaferprober.Anextensioncableconnectsthe4291A'stestheadtoaprobestation.Fortemperatureandhumiditytesting,the4291Acancontrolanexternaltemperature/humiditychamberviaHP-IBanddisplaythemeasurementresultvs.temperatureorhumidity.EaseofUseWiththe4291A,impedancetestingiseasy.Theanalyzercomeswithon-linecalibrationandcompensationroutinetosimplifythetask.Markersandlimit-linefunctionofferquickdataanalysis.)