《電子信息專業(yè)英語(yǔ)》（第3版） 課件全套 Chapter 1-9 Introduction to Electronic Technology 電子技術(shù)簡(jiǎn)介- Electronics Occupation 電子職業(yè)工作

活頁(yè)式教材微課版電子信息專業(yè)英語(yǔ)行業(yè)PPT模板/hangye/Chapter1IntroductiontoElectronicTechnology電子技術(shù)簡(jiǎn)介

教學(xué)目標(biāo)1.1★電子技術(shù)發(fā)展史：掌握電子技術(shù)發(fā)展的真空管、晶體管和集成電路三個(gè)階段及標(biāo)志事件。★通過電子技術(shù)發(fā)展史、新加坡理工學(xué)院、電氣電子工程學(xué)科三篇文章學(xué)習(xí)電子技術(shù)知識(shí)。1.2★新加坡理工學(xué)院：掌握國(guó)外大學(xué)的性質(zhì)、地理位置、下屬院系、教師工作人員、開設(shè)課程、教學(xué)設(shè)施、就業(yè)等。1.3★電氣電子工程學(xué)科：掌握電氣電子工程學(xué)科覆蓋的領(lǐng)域、有關(guān)課程、就業(yè)方向、主要課程簡(jiǎn)介。1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史NewWordsTechnicalTerms技術(shù)詞匯electronicsn.電子學(xué)keyn.鑰匙；解答；關(guān)鍵；鍵componentn.成分；元件adj.組成的vacuumtuben.真空管transistorn.晶體管integratedcircuitn.集成電路electrontuben.電子管sealedadj.密封的；seal過去分詞electronn.電子electroden.電極amplifyvt.放大，擴(kuò)大，增強(qiáng)transmitvt.傳輸，發(fā)射applicationn.應(yīng)用，應(yīng)用程序；申請(qǐng)radion.無(wú)線電通信；收音機(jī)communicationn.交通；通信specializedadj.專門的；專業(yè)的broadcastv.廣播；n.廣播節(jié)目TechnicalTerms技術(shù)詞匯astronomicallyadv.天文數(shù)字地；天體地availableadj.可得到的；可利用的devicen.器件，設(shè)備；部件；組件benefitvt.有益于，有助于radarn.雷達(dá)，電波探測(cè)器measurevt.測(cè)量,估量；n.測(cè)量objectn.對(duì)象,物體；目標(biāo)vi.反對(duì)echon.回聲，回波microwaven.微波detectionn.探測(cè)，偵查，發(fā)覺impracticaladj.不切實(shí)際的，不現(xiàn)實(shí)的laboratoryn.實(shí)驗(yàn)室functionn.功能，作用；[數(shù)]函數(shù)tinyadj.

極小的，微小的comparisonn.比較，對(duì)照；比喻consumevt.消耗，消費(fèi)，耗盡reliableadj.可靠的，可信賴的1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史NewWordsTechnicalTerms技術(shù)詞匯manufacturevt.制造，加工；n.制造業(yè)Texas

Instruments德州儀器（公司名）large-scaleintegrationn.大規(guī)模集成電路very-large-scaleintegrationn.超大規(guī)模集成電路permitv.許可，允許n.許可證chipv.許可，允許n.許可證videocameran.攝像機(jī)portableadj.輕便的，便攜式的1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史Thehistoryofelectronicsisastoryofthetwentiethcenturyandthreekeycomponentsarevacuumtube,transistor,andintegratedcircuit.Avacuumtube(Fig.1-1)alsocalledanelectrontubeisasealedglassinwhichelectronsflowbetweenelectrodesseparatedbyvacuum.Vacuumtubewasinventedintheearly20thcentury.Withtheinventionofvacuumtubeitbecamepossibletoamplifyandtransmittheelectricalenergy.Thefirstapplicationsofelectrontubeswereinradiocommunications.CommunicationtechnologywasabletomakehugeadvancesbeforeWorldWarIIasmorespecializedvacuumtubesweremadeformanyapplications.Radiobroadcastinggrewastronomicallyinthe1920sandradiobecametheprimarysourceofentertainment(Fig.1-2).Televisionwasinventedin1927andfinallybecamewidelyavailable.DevelopmentofthetelevisionasanelectronicdevicebenefitedfrommanyimprovementsmadetoradarduringWorldWarII.Radar(Fig.1-3)measuresthedistanceanddirectiontoanobjectusingechoesofradiomicrowaves.Itisusedforaircraftandshipdetection.Afterthewar,electrontubeswereusedtodevelopthefirstcomputers(Fig.1-4),buttheywereimpracticalbecauseofthesizeoftheelectroniccomponents.

In1947,thetransistorwasinventedbyateamText1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史ofengineersfromBellLaboratories,forwhichtheyalsoreceivedaNobelPrize.Thetransistorfunctionslikethevacuumtube,butitistinybycomparison,weighsless,consumeslesspower,ismuchmorereliable,andischeapertomanufacture

(Fig.1-5)

.Transistorshavereplacedvacuumtubesinjustaboutallelectronicsdevices.Thefirstintegratedcircuitwasdevelopedinthe1950sbyTexasInstrumentsCompany.Thefirstintegratedcircuitscontainedonlyafewtransistors,large-scaleintegration(LSI)andvery-large-scaleintegration(VLSI)followedbythemid-1970s.VLSItechnologypermitsustobuildsystemswithhundredsofthousandsoftransistorsonasinglechip.Videocameras,portabletelephones,andpersonalcomputersareonlyexamplesofdevicesmadepossiblebyintegratedcircuits.Text1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史FiguresFigure1-1VacuumTubeFigure1-3HowRadarWorksFigure1-2RadiointheHome

Figure1-5ComparisonofTube,Transistor,ICChipFigure1-4VacuumTubeComputer1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史Ⅰ．Choosethebesttechnicaltermtocompletethefollowingstatements.Exercises1．Thedevelopmentofelectronicshashadthreeimportantsteps:（）,（）and（）.A.computer B.integratedcircuit C.vacuumtube D.transistor2．Thefirstapplicationofelectrontubeswerein（）.A.radio B.television C.communication D.broadcasting3．（）hadsurpassedradioforhomeuseandentertainment.A.Communication B.Television C.Videocamera

D.Personalcomputer4．Usingechoesofradiomicrowaves,radarcandetect（）.A.acar B.aship C.aplane D.rain5．Thefirstelectroniccomputerincluded18,000（）andused200kilowattsofelectricalpower.A.transistors B.vacuumtubes C.ICs D.electroniccomponents6．Atransistorisasemiconductordeviceusedto（）electronicsignals.A.produce B.amplify C.reduce D.switch1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史Ⅰ．Choosethebesttechnicaltermtocompletethefollowingstatements.Exercises7．Inmostapplications,vacuumtubeshavebeenreplacedby（）andothersemiconductordevices.A.electrontubes B.transistors C.silicon D.germanium8．Themostadvanced（）arethemicroprocessors,whichcontroleverythingfromcomputersand

cellularphonestodigitalmicrowaveovens.A.semiconductors B.wafers

C.transistors D.integratedcircuits1.1 Lesson1DevelopmentofElectronics

電子技術(shù)發(fā)展史Ⅱ．TranslatethefollowingsentencesintoChinese.Exercises1．Marconipioneeredthedevelopmentofthewirelesstelegraphin1896andlong-distanceradio

communicationin1901.2．Vacuumtubesstrengthenedweakaudiosignalsandallowedthesesignalstobesuperimposedon

radiowaves.3．Transistorislikesolidstateequivalentofvacuumtube,withnovacuumandglasstube;electrons

movefromcathodetoanode(

theyarecalledsourceanddrainnow

)andtheelectronflowis

controlledbyagatewhichactssimilartothegridinvacuumtube.4．Comparedtovacuumtube,transistorsweresmaller,moredurable,reliable,consumelesspowerand

producelessheat.5．TexasInstrumentmadehugecontributiontotheworldofelectronics:theintegratedcircuit.6．JackKilby,anengineerinTI,theinventorofintegratedcircuit,becameoneoftherecipientsofthe

NobelprizeinPhysics.1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院NewWordsTechnicalTerms技術(shù)詞匯Singaporen.新加坡polytechnicadj.各種工藝的n.理工?？茖W(xué)校institutionn.學(xué)院；協(xié)會(huì)；機(jī)構(gòu)technologistn.技術(shù)人員；工藝人員；技師professionaladj.專業(yè)的；職業(yè)的n.專業(yè)人員industrializationn.工業(yè)化campusn.（大學(xué)）校園suburbn.郊區(qū)departmentn.部門；系electricaladj.有關(guān)電的；電氣科學(xué)的mechanicaladj.機(jī)械的；手工操作的architecturen.建筑學(xué)；建筑式樣presentadj.現(xiàn)在的；出席的；vt.贈(zèng)送full-timeadj.全部時(shí)間的；專職的part-timeadj.部分時(shí)間的；兼職的dedicatedadj.專注的；獻(xiàn)身的staffn.職員，工作人員TechnicalTerms技術(shù)詞匯associateadj.副的；聯(lián)合的；vi.交往commitvt.致力于，承諾，從事visionn.視力；幻象；vt.想象hectaren.公頃equipvt.裝備，配備state-of-the-artadj.最先進(jìn)的；最高水準(zhǔn)的facilityn.設(shè)備，設(shè)施；靈巧；容易halln.禮堂；大廳workshopn.車間；工場(chǎng)；研討會(huì)supportiveadj.支持的；支援的；贊助的collaboratevi.合作strategicadj.戰(zhàn)略上的，戰(zhàn)略的partnershipn.合伙企業(yè)；合伙；合作關(guān)系exposevt.暴露；使處于…的影響之下graduaten.畢業(yè)生；研究生goonto繼續(xù)去；轉(zhuǎn)入；延續(xù)到captainn.船長(zhǎng)；隊(duì)長(zhǎng)，首領(lǐng)1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院NewWordsTechnicalTerms技術(shù)詞匯senioradj.年長(zhǎng)的；高級(jí)的；n.年長(zhǎng)者executiven.執(zhí)行者；經(jīng)理；adj.執(zhí)行的corporationn.公司；企業(yè)entrepreneurn.企業(yè)家1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院SingaporePolytechnic,thenation’sfirsteducationalinstitutionofitskind,wassetupin1954totraintechnologistsandprofessionalstosupporttheindustrializationandeconomicdevelopmentofSingapore(Fig.1-6).Thecampus(Fig.1-7)islocatedatDoverTowninthewesternsuburbofSingapore.SingaporePolytechnichassixschoolsandtwodepartments:SchoolofArtsandSocialSciences,SchoolofBusiness,SchoolofChemicalandLifeSciences,SchoolofElectricalandElectronicEngineering,SchoolofMechanicalEngineering,SchoolofArchitecture,DepartmentofMathematics，andDepartmentofEducation.Atpresent,thenumberofstudentsisover18,000,withfull-timeandpart-timestudents.Thereareadedicatedteamofabout1,500staff,includingprofessors,associateprofessors,lecturers,scientificresearchers,andadministrativestaff,allcommittedtohelpingthePolytechnicrealizeitsvisionofproducingqualifiedgraduates.Tosupportstudentslearningandpersonaldevelopment,thePolytechnic’s38-hectarecampusisfullyequippedwithstate-of-the-artfacilities.Amodernlibrary(Fig.1-8),well-equippedlecturehalls(Fig.1-9),air-conditionedclassrooms,thelatestandmostadvancedequipmentlaboratoriesandworkshopsText1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院providethemostsupportivelearningenvironmentsforstudents.SingaporePolytechnichascollaboratedwithfamouscorporationssuchasIntel,Cisco,Motorola,etc.Thestrategicpartnershipensuresthatstudentsareexposedtothebestandlatesttechnologiesinsupportoftheirlearningactivities.Todate,graduate(Fig.1-10)outputfromSingaporePolytechniciscloseto155,000,someofwhomhavegoneontobecomecaptainsofindustries,seniorexecutivesofmulti-nationalcorporations,andsuccessfulentrepreneursandprofessionalsinSingaporeandoverseas.Text1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院Figures

Figure1-6SingaporeMerlionFigure1-7CollegeMainBuildingFigure1-9LectureHallFigure1-8LibraryFigure1-10GraduationCeremony1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院Ⅰ．Decidewhetherthefollowingstatementistrueorfalse,andexplainyouranswers.Exercises1．SingaporePolytechnicisthefirstuniversityinSingapore.2．SingaporePolytechniccurrentlyoffers49full-timediplomacoursesintheareasofappliedsciences,

business,design,engineering,humanities&socialsciences,andinformation&ITtoaround18,000

students.3．AlltheinstructorsinSingaporePolytechnicareprofessorsorassociateprofessors.4．SPproducessuccessfulgraduateswhoareleadersintheirownfield.1.2 Lesson2SingaporePolytechnic

新加坡理工學(xué)院Ⅱ．TranslatethefollowingsentencesintoChinese.Exercises1．PolytechnicsinSingaporeprovidethree-yeardiplomacourses.Polytechnicsofferawiderangeof

coursesinvariousfields,includingengineering,businessstudies,accountancy,tourismand

hospitalitymanagement,masscommunications,humanities,andsocialsciences.2．Polytechnicgraduateswithgoodgradescancontinuetopursuefurthereducationatlocalandmany

overseasuniversities,notablythoseinAustralia,NewZealand,andtheUnitedKingdom,andbe

exemptedformodulescompletedintheirpolytechnics.3．TheNationalUniversityofSingaporeisSingapore’soldestuniversity.Itisthelargestuniversityin

thecountryintermsofstudentenrollmentandcurriculumoffered.Theuniversityisconsideredto

beoneofthemostprestigiousuniversitiesinAsia.4．EnrolasaninternationalstudentattheHongKongUniversity,andyouwillenjoyawideand

flexiblechoiceofundergraduateprogramstaughtinEnglish?plustheadvantagesofavaried

culturalenvironment.1.3 Lesson3ElectricalandElectronicsEngineeringProgram

電氣電子工程專業(yè)NewWordsTechnicalTerms技術(shù)詞匯programn.大綱；方案；程序；節(jié)目solidadj.結(jié)實(shí)的n.固體；立方體foundationn.基礎(chǔ)；地基；基金會(huì)handlen.柄；把手vt.處理；操作labn.[口]實(shí)驗(yàn)室varietyn.種類；多樣commonadj.共同的；通常的n.普通fundamentaladj.基本的，根本的coren.核心；果心；要點(diǎn)；磁心optionn.選擇；選擇權(quán)；選項(xiàng)microelectronicsn.微電子學(xué)flexibleadj.靈活的；柔韌的careern.職業(yè)；生涯prospectn.前途；預(yù)期；景色v.勘探telecommunicationn.電信；遠(yuǎn)距通信instrumentationn.儀表裝置；儀表化computingn.計(jì)算TechnicalTerms技術(shù)詞匯maintenancen.維護(hù)，維修；保持descriptionn.描述，描寫resistorn.電阻（器）capacitorn.電容（器）inductorn.電感（器）；感應(yīng)器Ohm’slaw歐姆定律seriescircuit串聯(lián)電路parallelcircuit并聯(lián)電路threephasecircuit三相電路transformern.[電]變壓器；變形金剛powern.電源；功率；政權(quán)；冪generationn.產(chǎn)生；一代powergeneration發(fā)電，發(fā)電量distributionn.分配；分布dioden.二極管bipolarjunctiontransistor雙極型晶體管，晶體管commonbase共基極1.3 Lesson3ElectricalandElectronicsEngineeringProgram

電氣電子工程專業(yè)NewWordsTechnicalTerms技術(shù)詞匯commonemitter共發(fā)射極commoncollector共集電極configurationn.結(jié)構(gòu)；配置field-effecttransistor場(chǎng)效應(yīng)晶體管commongate共柵極；共閘極commonsource共源極commondrain共漏極operationalamplifier運(yùn)算放大器differentialamplifier差分放大器multi-stageamplifier多級(jí)放大器poweramplifier功率放大器filtern.濾波器；過濾器v.過濾oscillatorn.振蕩器rectificationn.整流；改正regulationn.規(guī)則；校準(zhǔn)；adj.規(guī)定的powersupplier電源供應(yīng)器combinationallogiccircuit組合邏輯電路TechnicalTerms技術(shù)詞匯logicgate邏輯門decodern.譯碼器，解碼器multiplexern.多路選擇器addern.加法器multipliern.乘法器；乘數(shù)programmablelogicdevice可編程邏輯器件sequentiallogiccircuit時(shí)序邏輯電路flip-flopn.觸發(fā)器；翻轉(zhuǎn)registern.寄存器；登記；v.登記countern.計(jì)數(shù)器；柜臺(tái)；相反地memoryn.記憶；內(nèi)存，存儲(chǔ)器digital-to-analogconverter數(shù)字—模擬轉(zhuǎn)換器analog-to-digitalconverter模擬—數(shù)字轉(zhuǎn)換器Lesson3ElectricalandElectronicsEngineeringProgram

電氣電子工程專業(yè)Thethree-yearElectricalandElectronicsEngineeringprogramprovidesasolidfoundationinthetheoryandpracticeofelectronics.Programequipsstudentswiththeknowledgeandskillstohandleelectronicdevices,circuitsandsystems.ElectricalandElectronicsEngineeringstudentslearnthroughacombinationofdesignandlabwork.Thismixoftheoryandpracticalapplicationallowsstudentstothinkthingsthroughandthenapplytheirideasinavarietyofreallifesituations.Besidesbeingtechnologicallycompetent,theywillalsodevelopeffectivecommunication,problem-solvingandteamworkskillsreadyfortheworkplace.StudentswillgothroughacommonElectricalandElectronicsEngineeringfundamentalcourses.Thesecorecourses[areBasicElectricalEngineering,AnalogElectronics,andDigitalElectronics.Theywillthenselectoneofthefollowingoptionsfortheirsecondandthirdyearofstudy.TheseoptionsareElectronicsEngineering,ComputerEngineering,Microelectronics,orCommunicationTechnology.Studentswillhaveexcellentandflexiblecareerprospectsintelecommunications,instrumentationandcontrol,computing,consumerandindustrialelectronicsindustries.Theirjobareasmayincludeproductdesignandtesting,processimprovement,maintenance,marketing,andservices.TextLesson3ElectricalandElectronicsEngineeringProgram

電氣電子工程專業(yè)ThefollowingistheElectricalandElectronicsEngineeringfundamentalcoursesdescriptions.BasicElectricalEngineering：resistor,capacitor,inductor;Ohm’slaw;seriesandparallelcircuits;RC,RLandRLCcircuits;singleandthreephasecircuits;transformer,powergenerationanddistribution.AnalogElectronics：diode;bipolarjunctiontransistor:commonbase,commonemitter,commoncollectorconfiguration;field-effecttransistor:commongate,commonsource,commondrainconfiguration;operationalamplifier,differentialandmulti-stageamplifier,poweramplifier;filtersandoscillator;rectification,regulationandDCpowersupplier.DigitalElectronics：combinationallogiccircuit（includinglogicgate,decoder,multiplexer,adder,multiplier,programmablelogicdevice）;sequentiallogiccircuit（includingflip-flop,register,counter,memory）;digital-to-analogandanalog-to-digitalconverter.TextLesson3ElectricalandElectronicsEngineeringProgram

電氣電子工程專業(yè)Ⅰ．TranslatethefollowingsentencesintoChinese.Exercises1．Electricalengineeringisconsideredtodealwiththeproblemsassociatedwithlarge-scaleelectricalsystemssuchaspowertransmissionandmotorcontrol,whereaselectronicengineeringdealswiththestudyofsmall-scaleelectronicsystemsincludingcomputersandintegratedcircuits.2．Electricalengineersareresponsibleforthegeneration,transferandconversionofelectricalpower,whileelectronicengineersareconcernedwiththetransferofinformationusingradiowaves,thedesignofelectroniccircuits,thedesignofcomputersystemsandthedevelopmentofcontrolsystemssuchasaircraftautopilots.3．ElectricalandElectronicsEngineeringProgramCourses:Math,Physics

&

Labs,Intro.Programming,ElectromagneticFields,LogicCircuits

&

Lab,ComputerArchitecture,Circuits&Electronics&Labs,Oral/WrittenCommunications,otherelectives.4．TheInstituteofElectricalandElectronicsEngineers(

IEEE,readI-Triple-E

)istheworld’slargestprofessionalassociationdedicatedtoadvancingtechnologicalinnovation.IEEEstrivestoadvancethetheoryandpracticeofelectrical,electronics,andcomputerengineeringandcomputerscience.Lesson3ElectricalandElectronicsEngineeringProgram

電氣電子工程專業(yè)Ⅱ．TranslatethefollowingElectricalandElectronicsEngineeringCoursesintoChinese.ExercisesC-languageProgrammingDesignBasicElectricalEngineeringLowFrequencyElectronicTechnologyHighFrequencyElectronicTechnologyDigitalElectronicTechnologyMicroControllerUnit(

SingleChipProcessor

)PrincipleandApplicationElectronicCircuitCAD(

ComputerAidedDesign

)SensorandMeasurementEquipmentElectricApplianceMaintenancePracticeElectricianCertificateTrainingGraduationProject1.4 Grammar科技英語(yǔ)英語(yǔ)詞匯詞義選擇科技英語(yǔ)資料的閱讀者需要既要精通英語(yǔ)，又要懂得專業(yè)知識(shí)。由于科技英語(yǔ)詞匯的復(fù)雜多變，科技英語(yǔ)譯者要善于通過詞匯的專業(yè)語(yǔ)境、詞語(yǔ)搭配、句法結(jié)構(gòu)及上下文判定詞義。Grammar【例1】Thecomputertookoveranimmenserangeoftasksfromworkersmusclesandbrains.錯(cuò)誤的理解是：計(jì)算機(jī)接替了工人大量的肌肉和大腦。正確的理解是：計(jì)算機(jī)取代了工人大量的體力勞動(dòng)和腦力勞動(dòng)。句中的musclesandbrains原意為“肌肉和大腦”，句中引申為“體力勞動(dòng)和腦力勞動(dòng)”?！纠?】Ifamouseisinstalledinacomputer,thentheavailablememoryspaceforuserwillreduce.錯(cuò)誤的理解是：如果讓老鼠在計(jì)算機(jī)里面筑窩，那么使用者的記憶空間就會(huì)減少。正確的理解是：如果計(jì)算機(jī)安裝了鼠標(biāo)，則用戶可利用內(nèi)存空間就會(huì)減少。句中的mouse原意為“老鼠”，在計(jì)算機(jī)技術(shù)中意為“鼠標(biāo)”；句中的memory原意為“記憶”，在計(jì)算機(jī)技術(shù)中意為“內(nèi)存”。1.4 Grammar科技英語(yǔ)英語(yǔ)詞匯詞義選擇Grammar【例3】Inanycaseworkdoesn’tincludetime,butpowerdoes.錯(cuò)誤的理解是：在任何情況下，工作不包括時(shí)間，但力量包括時(shí)間。正確的理解是：在任何情況下，功不包括時(shí)間，但功率包括時(shí)間。句中的work原意為“工作”，在電子技術(shù)中意為“功”；句中的power原意為“力量”，在電子技術(shù)中意為“功率”。【例4】Atransistorhasthreeelectrodes,theemitter,thebase,andthecollector.錯(cuò)誤的理解是：晶體管有三個(gè)電極，即發(fā)射器、基地、收集器。正確的理解是：晶體管有三個(gè)電極，即發(fā)射極、基極、集電極。句中的emitter原意為“發(fā)射器”，在電子技術(shù)中意為“發(fā)射極”；句中的base原意為“基地”，在電子技術(shù)中意為“基極”；句中的collector原意為“收集器”，在電子技術(shù)中意為“集電極”?！纠?】Likechargesrepeleachotherwhileoppositechargesattract.錯(cuò)誤的理解是：喜歡的費(fèi)用相互排斥，而對(duì)立的費(fèi)用相互吸引。正確的理解是：同種電荷相互排斥，而異種電荷相互吸引。charge原意有“費(fèi)用、掌管、電荷、裝載、索價(jià)、充電、控告”，在電子技術(shù)中意為“電荷”。EvaluationofLearningEffect學(xué)習(xí)效果自我評(píng)價(jià)EvaluationContents（內(nèi)容）Master（掌握）AlmostMaster（基本掌握）Incapable（未掌握）NewWordsandTechnicalTerms(單詞專業(yè)術(shù)語(yǔ))Text(課文）Grammar（語(yǔ)法）Exercises（練習(xí)）感謝觀看ThanksforWatching活頁(yè)式教材微課版電子工業(yè)出版社電子信息專業(yè)英語(yǔ)行業(yè)PPT模板/hangye/Chapter2ElectronicParts電子器件

教學(xué)目標(biāo)2.1★電子元件：掌握電阻、電容、電感、變壓器、二極管、三極管、集成電路的基本知識(shí)?！锿ㄟ^電子元件、集成塊數(shù)據(jù)表、微控制器三篇文章學(xué)習(xí)電子器件。2.2★集成塊數(shù)據(jù)表：掌握集成塊數(shù)據(jù)表的結(jié)構(gòu)，看懂?dāng)?shù)據(jù)表，從中找出需要的參數(shù)。2.3★微控制器：掌握微控制器種類、結(jié)構(gòu)、管腳、功能、參數(shù)、使用方法、外圍電路。

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Lesson4ElectronicComponent

電子元件NewWordsTechnicalTerms技術(shù)詞匯resistorn.電阻（器）terminaln.末端；終點(diǎn)adj.末端的electriccurrentn.電流proportionaladj.比例的，成比例的representvt.表示；表現(xiàn)；代表unitn.單位；單元；部件symboln.符號(hào)；象征；標(biāo)志resistancen.阻力；電阻colorband色帶，色環(huán)numericaladj.數(shù)字的；數(shù)值的specifyvt.指定；規(guī)定multipliern.乘數(shù)；乘法器tolerancen.公差；容忍；寬容gapn.缺口；間隙violetadj.紫色的；n.紫羅蘭goldn.金，黃金；金色；adj.金的signifyvt.表示；意味；預(yù)示TechnicalTerms技術(shù)詞匯lievi.說謊；位于；躺；展現(xiàn)capacitorn.電容（器）consistvi.組成conductorn.導(dǎo)體；售票員；管理人separatedadj.分開的dielectricn.電介質(zhì)chargen.電荷；費(fèi)用v.充電；控告electricalfieldn.電場(chǎng)blockvt.阻塞；阻止n.塊；障礙directcurrent直流電（流）alternatingcurrentn交流電（流）filtern.濾波器；過濾器；v.過濾smoothadj.光滑的；vt.使平滑resonantadj.共振的；諧振的tunev.調(diào)諧；調(diào)音frequencyn.頻率；頻繁faradn.法拉（電容單位）

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Lesson4ElectronicComponent

電子元件NewWordsTechnicalTerms技術(shù)詞匯capacitancen.電容現(xiàn)象；電容量inductorn.感應(yīng)器magneticfieldn.磁場(chǎng)typicallyadv.代表性地coiln.線圈loopn.環(huán)；回路；循環(huán)Henryn.亨利inductancen.感應(yīng)現(xiàn)象；電感量transformern.[電]變壓器；變形金剛convertv.轉(zhuǎn)變；變換windingn.卷繞的線圈adj.卷繞的primarywindingn.初級(jí)線圈secondarywindingn.次級(jí)線圈semiconductorn.半導(dǎo)體PNjunctionn.PN結(jié)forwarddirectionn.正向reversedirectionn.反向TechnicalTerms技術(shù)詞匯switchn.開關(guān)；v.轉(zhuǎn)換bipolaradj.有兩極的，雙極的junctionn.連接，接合；交叉點(diǎn)labelvt.標(biāo)注；貼標(biāo)簽；n.標(biāo)簽basen.底部；基礎(chǔ)；基極collectorn.征收者；集電極emittern.發(fā)射器；發(fā)射極gaten.[電子]閘極sourcen.[電子]源極drainn.[電子]漏極siliconn.硅chipn.碎片；芯片wafern.薄圓片，晶片fabricatevt.制造；裝配functionn.功能；函數(shù)v.運(yùn)行microprocessorn.微處理器

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Lesson4ElectronicComponent

電子元件1．ResistorAresistorisatwo-terminalelectroniccomponentthatresiststheflowofelectricalcurrent

(Fig.2-1)

.Thecurrentflowingthrougharesistorisdirectlyproportionalto[2]thevoltageacrosstheresistor’sterminals.Thisrelationisrepresentedwithawell-knownOhm’slaw:V=I×R[3].Theohm

(symbol:Ω)

istheunitofelectricalresistance.Colorbandsareusuallyusedtorepresenttheresistancevalue

(Fig.2-2)

.Thefirstandsecondbandrepresentthenumericalvalueoftheresistor,thethirdbandspecifythepower-of-tenmultiplier,andthefourthbandifpresent,indicatestoleranceofvalueinpercent.Thecolorbandsarealwaysreadfromlefttoright,andthereisagapbetweenthethirdandthefourthbandstodistinguishleftfromright.Forexample,aresistorwithbandsofyellow,violet,red,andgoldwillhavefirstdigit4

(yellow)

,seconddigit7

(violet)

,followedby2

(red)

zeros:4,700ohms.Goldsignifiesthatthetoleranceis±5%,sotherealresistancecouldlieanywherebetween4,465and4,935ohms.2．CapacitorAcapacitorisanelectroniccomponentconsistingofapairofconductorsseparatedbyadielectric

(2-3)

.Text

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Lesson4ElectronicComponent

電子元件Acapacitorcanstoreelectricalchargeinanelectricalfield.Capacitorsarewidelyusedinelectroniccircuitsforblockingdirectcurrentwhileallowingalternatingcurrenttopass,infilternetworksforsmoothingtheoutputofpowersupplies,intheresonantcircuitsfortuningradiostoparticularfrequenciesandformanyotherpurposes.Thefarad

(symbol:F)

istheunitofcapacitance.Valuesofcapacitanceareusuallyspecifiedinrangesofmicrofarads

(

μF10-6

)

,nanofarads

(nF10-9)

,orpicofarads

(

pF10-12

)

(Fig.2-4)

.3．InductorAninductorisanelectroniccomponentthatcanstoreenergyinamagneticfieldcreatedbytheelectriccurrentpassingthroughit

(Fig.2-5)

.Typicallyaninductorisaconductingwireshapedasacoil,theloopshelpingtocreateastrongmagneticfield.InductorscanbeusedtoblockACsignalsfrompassingthroughacircuit.TheHenry

(symbol:H)

istheunitofinductance.4．TransformerAtransformerisanelectricalcomponentthatconvertsACelectricityfromonevoltagetoanotherwithText

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Lesson4ElectronicComponent

電子元件littlelossofpower.Theinputcoiliscalledtheprimarywindingandtheoutputcoiliscalledthesecondarywinding.Thereisnoelectricalconnectionbetweenthetwocoils,insteadtheyarelinkedbyanalternatingmagneticfieldcreatedinthecoreofthetransformer

(Fig.2-6)

.5．DiodeAdiodeisatwo-terminalsemiconductordevicethatconsistsofaPNjunctionmadeofsemiconductormaterial(Fig.2-7)

.Themostcommonfunctionofadiodeistoallowanelectriccurrenttopassinonedirection

(calledthediode’sforwarddirection)

,whileblockingcurrentintheoppositedirection

(thereversedirection)

(Fig.2-8)

.6．TransistorAtransistor

(Fig.2-9)

isasemiconductordeviceusedtoamplifyelectronicsignals.Thetransistoramplifiescurrent,andtheamountofcurrentamplificationiscalledthecurrentgain.Inmanycircuitsaresistorisusedtoconvertthechangingcurrenttoachangingvoltage,sothetransistorisbeingusedtoamplifyvoltage.Therearetwotypesoftransistors.Abipolarjunctiontransistor

(

BJT

)

hasterminalslabeledbase,collector,andemitter.Asmallcurrentatthebaseterminal

(

thatis,flowingfromthebasetoText

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Lesson4ElectronicComponent

電子元件theemitter)

cancontrolorswitchamuchlargercurrentbetweenthecollectorandemitterterminals.Forafield-effecttransistor

(FET)

,theterminalsarelabeledgate,source,anddrain,andavoltageatthegatecancontrolacurrentbetweensourceanddrain

(Fig.2-10)

.7．IntegratedCircuitAnintegratedcircuit

(IC)

,sometimescalledasiliconchiporchip,isasemiconductorwaferonwhichthousandsormillionsoftinyresistors,capacitors,andtransistorsarefabricated(Fig.2-11)

.AnICcanfunctionasanamplifier,oscillator,timer,counter,computermemory,ormicroprocessor.Text

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Lesson4ElectronicComponent

電子元件Figures

Figure2-1VariousresistorsFigure2-2ResistorColorCode

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Lesson4ElectronicComponent

電子元件Figures

Figure2-3Parallelplatecapacitormodel

Figure2-5VariousinductorsFigure2-4Variouscapacitors（cm）Figure2-6Transformer

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Lesson4ElectronicComponent

電子元件Figures

Figure2-8VariousdiodesFigure2-10BJTandMOSFETsymbolsFigure2-7DiodesymbolandpackageFigure2-9VarioustransistorsFigure2-11ICchiponthePCB

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Lesson4ElectronicComponent

電子元件Ⅰ．Choosethebesttechnicaltermtocompletethefollowingstatements.Exercises1．(),()and()areelectroniccomponents.A.vacuumtube B.integratedcircuit C.silicon D.transistor2．Thekilo-ohmistheunitof().A.inductance B.resistance

C.weight D.capacitance3．()areusedtotunerad