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HuazhongUniversityofScienceandTechnologyTheDepartmentofElectronicsandInformationEngineeringPART1SEMICONDUCTORDEVICESANDBASICAPPLICATIONSChapter1SemiconductorMaterialsandDiodesChapter2DiodeCircuitsChapter3TheField-EffectTransistorChapter4BasicFETAmplifiersChapter5TheBipolarJunctionTransistorChapter6BasicBJTAmplifiersChapter7FrequencyResponseChapter8OutputStagesandPowerAmplifiersPART2ANALOGELECTRONICSChapter9IdealOperationalAmplifiersandOp-AmpCircuitsChapter10IntegratedCircuitBiasingandActiveLoadsChapter11DifferentialandMultistageAmplifiersChapter12FeedbackandStabilityChapter13OperationalAmplifierCircuitsChapter14NonidealEffectsinOperationalAmplifierCircuitsChapter15ApplicationsandDesignofIntegratedCircuitsCh1.SemiconductorMaterialsandDiodes1.1SemiconductorMaterialsandPropertiesCh1.SemiconductorMaterialsandDiodesSiliconValley1.1.1IntrinsicSemiconductor1.1.1IntrinsicSemiconductor1.1.1IntrinsicSemiconductor1.1.1IntrinsicSemiconductorFreeelectron---producedbythermalionization.Itcanmovefreelyinthelatticestructuresoastoformcurrent.Hole---emptypositioninbrokencovalentbond.Itcanbefilledbyfreeelectron(recombination).1.1.1IntrinsicSemiconductor1.1.1IntrinsicSemiconductorDopedSemiconductor——ntype1.1.2.ExtrinsicSemiconductorDonor---pentavalentimpurityprovidesfreeelectrons,usuallyentirelyionized.Positiveboundcharge---impurityatomdonatingelectrongivesrisetopositiveboundcharge.Majoritycarriers---freeelectrons(mostlygeneratedbyionizeddonorandaverytinyportionbythermalionization).Minoritycarriers---holes(onlygeneratedbythermalionization).DopedSemiconductor——ptype1.1.2.ExtrinsicSemiconductorAcceptor---trivalentimpurityprovidesholes,usuallyentirelyionized.Negativeboundcharge---impurityatomacceptingholegiverisetonegativeboundchargeMajoritycarriers---holes(mostlygeneratedbyionizedacceptorandatinysmallportionbythermalionization)Minoritycarriers---freeelectrons(onlygeneratedbythermalionization.)1.1.2.ExtrinsicSemiconductorMajoritycarrierisonlydeterminedbytheim
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