英文版模拟电路实验国际交流班

实验一单级交流放大电路ExperimentSingle-stageacamplifyingcircuit一、实验目的I.Objectives1.熟悉电子元器件和模拟电路实验箱，2.掌握放大电路静态工作点的调试方法及其对放大电路性能的影响。1.Electroniccomponentsandanalogcircuitexperimentboxshouldbefamiliar-ed.2.Thedebuggingmethodofamplifiercircuitstaticworkingpointanditseffectontheperformanceofamplifiercircuitshouldbemastered.二、实验仪器II.Experimentalapparatus1.示波器2.信号发生器3.数字万用表1.TheOscilloscope2.Signalgenerator3.Digitalmultimeter三、预习要求III.Previewrequirements1.三极管及单管放大电路工作原理。2.放大电路静态测量方法。1.Theworkingprincipleofthetransistorandtheunijunctiontransistoramplifiercircuit.2.Themeasuringmethodofamplifyingcircuitstatic.四、实验内容及步骤IV.ExperimentalContentsandprocedure1.装接电路与简单测量Assemblingandsimplemeasuringcircuit图1.l基本放大电路Figure1.1Basicamplifyingcircuit(1)用万用表判断实验箱上三极管V的极性和好坏。1)Themultimeterisusedtodistinguishthegoodfromthebadofthetransistorontheexperimentbox.(2)按图1.1所示，连接电路(注意：接线前先测量+12V电源，关断电源后再连线)，将RP的阻值调到最大位置。2)Thecircuitisconnectedasshowninfigure1.1.(Note:themeasurementshouldbemadebeforewiringthe+12vpowersupply.AlsowiringaftertheShutoffthepower)AndtheresistanceofRPshouldbeputtothelargestposition.2.静态测量与调整2.Thestaticmeasurementandadjustment接线完毕仔细检查，确定无误后接通电源。改变RP，记录IC分别为0.5mA、1mA、1.5mA时三极管V的β值（其值较低）。Thepowershouldbeexaminedafterwiring.Itshouldbeputthroughsupplyafterthedeterminedwithouterror.ThenwechangetheRPandrecordthedifferentofβwhentheICwere0.5mA,1mAor1.5mA(itslower).注意：Ib和Ic的测量和计算方法①测Ib和Ic一般可用间接测量法，即通过测Vc和Vb，Rc和Rb计算出Ib和Ic(注意：图1.2中Ib为支路电流)。此法虽不直观，但操作较简单，建议初学者采用。②直接测量法，即将微安表和毫安表直接串联在基极和集电极中测量。此法直观，但操作不当容易损坏器件和仪表。不建议初学者采用。Note:ThemeasurementandcalculationmethodsoftheIbandIceq\o\ac(○,1)IndirectmethodforthemeasurementofIbandIc,TheIbandIcarecalculatedbymeasuringtheVcandVb,RcandRb.(Note:theIbisthebranchcurrentinfigure1.2)Thismethodisnotintuitiveandisoperatedsimplyofforbeginnerstolearn.eq\o\ac(○,2)DirectmeasurementmethodThemicroamperetableandmilliammeteriscascadeddirectlytomeasurethebaseandthecollector.Themethodisusedtodetect.Ifthemethodoperateimproperly.Themethodwilldamagethedeviceandinstrument.Sothismethodisnotrecommendedforbeginnerstouse.（1）按图1.2接线，调整RP使VE=2.2V，计算并填表1.1。Thecircuitisconnectedasfigure1.2.VEequal2.2VthroughadjustingtheRP.Thenwecalculateandfillouttable1.1.图1.2工作点稳定的放大电路Figure1.2Thestabilizationofamplifiercircuit为稳定工作点，在电路中引入负反馈电阻Re，用于稳定静态工作点。IntroducingnegativefeedbackresistanceReinthecircuittostabilizethestaticworkingpoint表1.1实测实测计算VBE(V)VCE(V)Rb(KΩ)IB(μA)IC(mA)Table1.1actualmeasurementactualcalculationVBE(V)VCE(V)Rb(KΩ)IB(μA)IC(mA)五、实验报告experimentreport1、列表整理测量结果，并把实测的静态工作点之值与理论计算值比较（取一组数据进行比较），分析产生误差原因。2、分析讨论在调试过程中出现的问题。1.RecordeddatamustbelistedinTableandsortout.Wecomparethemeasuredvaluewiththetheoreticalcalculationofthestaticworkingpointandanalysistheerrorreason.2.Analysistheproblemsintheprocessofdebugging.实验二比例求和运算电路ExperimentProportionsumandoperationcircuit一、实验目的I.Objectives1.掌握用集成运算放大电路组成比例、求和电路的特点及性能。2.学会上述电路的测试和分析方法。1.WeshouldMastertheintegratedoperationalamplifiercircuitofthecharacteristicsandlearntheperformanceoftheproportionandsummingcircuit.2.Weshouldlearnthemethodoftestandanalysisthecircuitabove.二、实验仪器II.Experimentalapparatus1.示波器2.信号发生器3.数字万用表1.TheOscilloscope2.Signalgenerator3.Digitalmultimeter三、预习要求III.Previewrequirements1.估算表格中的理论值“虚断”、“虚短”。Toestimatethetheoreticalvalueoftheformvirtualopening，virtualshortcircuit四、实验内容IV.ExperimentContents1.电压跟随电路Voltagefollowingcircuit实验电路如图2.1所示。按表2.1内容实验并测量记录。Theexperimentalcircuitisshowninfigure2.1.Werecordthecontentofexperimentandmeasurementaccordingtothetable2.1.图2.1电压跟随电路figure2.1voltageFollowingcircuit电压串联负反馈，根据“虚短”有Voltageseriesnegativefeedback,accordingtothe“virtualshortcircuit”,表2.1table2.1Vi(V)－2－0.50＋0.51VO(V)RL=∞RL=5K12.反相比例放大器Inverseproportionamplifier实验电路如图2.2所示。Theexperimentalcircuitasshowninfigure2.2.图2.2反相比例放大电路figure2.2Inverseproportionamplifiercircuit电压并联负反馈，由“虚短”有Voltageparallelnegativefeedback,as“virtualshortcircuit”,“虚断”有As“virtualopening”,按表2.2内容实验并测量记录。Werecordthecontentofexperimentandmeasurementaccordingtotable2.2.表2.2直流输入电压Vi(mV)301003001000输出电压VO理论估算(V)实际值(V)误差(mV)table2.2DCinputvoltageVi(mV)301003001000outputvoltageVOTheoreticalestimation(V)actualvalue(V)error(mV)3.同相比例放大电路Inphaseproportionamplifiercircuit电路如图2.3所示Circuitisshowedinfigure2.3按表2.3实验测量并记录。Werecordtheexperimentalmeasurementaccordingtotable2.3电压串联负反馈：“虚断”有，“虚短”有Voltageseriesnegativefeedback,as“virtualopening”,;as“virtualshortcircuit”,图2.3同相比例放大电路figure2.3Inphaseproportionamplifiercircuit表2.3直流输入电压Vi(mV)301003001000输出电压VO理论估算(V)实际值(V)误差(mV)Table2.3DCinputvoltageVi(mV)301003001000outputvoltageVOestimatedintheory(V)actualvalue(V)error(mV)五、