电子信息工程专业英语ppt课件.ppt

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1、TechnicalEnglishForInformationScienceandElectronicEngineeringUnit2IntegratedCircuitsPartITheIntegratedCircuitNewWordstransistor晶体管topology拓扑，布局flip-flop触发器，双稳态多谐振荡器die印模，模子silicon硅valve阀phosphorous磷的insulate绝缘，隔离bipolar有两极的，双极的doping掺杂(质)base基极germanium锗emitter发射极boron硼drain漏极

2、field-effect场效应diode二极管collector集电极slab厚片，板层gate栅极3NewWordssource源极ceramic陶瓷protrude突出complementary互补的，补充的solder焊接，焊料41Digitallogicandelectroniccircuitsderivetheirfunctionalityfromelectronicswitchescalledtransistor.Roughlyspeaking,thetransistorcanbelikenedtoanelectronicallycon

3、trolledvalvewherebyenergyappliedtooneconnectionofthevalveenablesenergytoflowbetweentwootherconnections.1由称为晶体管的电子开关得到它们的（各种）功能粗略地说，晶体管好似一种电子控制阀，由此加在阀一端的能量可以使能量在另外两个连接端之间流动。51Bycombiningmultipletransistors,digitallogicbuildingblockssuchasANDgatesandflip-flopsareformed.Transisto

4、rs,inturn,aremadefromsemiconductors.Consultaperiodictableofelementsinacollegechemistrytextbook,andyouwilllocatesemiconductorsasagroupofelementsseparatingthemetalsandnonmetals.2查阅大学化学书中的元素周期表，你会查到半导体是介于金属与非金属之间的一类元素。61Theyarecalledsemiconductorsbecauseoftheirabilitytobehaveasbo

5、thmetalsandnonmetals.Asemiconductorcanbemadetoconductelectricitylikeametalortoinsulateasanonmetaldoes.Thesedifferingelectricalpropertiescanbeaccuratelycontrolledbymixingthesemiconductorwithsmallamountsofotherelements.可使半导体像金属那样导电，或者像非金属那样绝缘。71Thismixingiscalleddoping.Asemicond

6、uctorcanbedopedtocontainmoreelectrons(N-type)orfewerelectrons(P-type).Examplesofcommonlyusedsemiconductorsaresiliconandgermanium.PhosphorousandboronaretwoelementsthatareusedtodopeN-typeandP-typesilicon,respectively.3N型硅半导体掺入磷元素，而P型硅半导体掺入硼元素。82Atransistorisconstructedbycreating

7、asandwichofdifferentlydopedsemiconductorlayers.Thetwomostcommontypesoftransistors,thebipolar-junctiontransistor(BJT)andthefield-effecttransistor(FET)areschematicallyillustratedinFigure2.1.NPAnodeCathodeNNPSourceGateDrainNNPCollectorEmitterBaseCollectorBaseEmitterDrainSourceGat

8、eAnodeCathodeFETDiodeBJT图2.1给出了双极型晶体管和场效应晶体管的图示。92Thisfigures