半导体物理与器件第三版(尼曼)13章答案new

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1、rdSemiconductorPhysicsandDevices:BasicPrinciples,3editionChapter13SolutionsManualProblemSolutionsChapter13ProblemSolutions(iii)ForVV==15,VV−GSDSah−=−0045.µm13.1whichimpliesnoundepletedregion.Sketch13.413.2p-channelJFET–GaAsSketch(a)22−41613.32aNa20510bg.xxbg310V==

2、p-channelJFET–SiliconPO−142∈213188510()..bgx(a)or22−−19416eaNabg1610..xxxbg0510bg310VV=518.V==POPO−142∈211788510()..bgxNoworL1816Ob510xxgb310gVVPO=579.Vbi=()00259.lnM2P6NowMNbg1810.xPQorL1816Ob510xxgb310gVV=135.V=()00259.lnMPbibi210MNbg1510.xPQsoVVV=−=−518135..orP

3、PObiVV=0884.orbiVV=383.soPVVV=−=−5790884..(b)PPObi12/orL2∈−+afVVVObiDSGSVV=4.91aha−=−PNMeNaQP(b)(i)ForVV==10,V12/GSDSL2∈−+afVVVObiDSGSThenaha−=−NMeNQP−4aah−=0510.x(i)−1412/L213188510()..bgxVaf1351.+−ODSForVVGS==10,VDS−M−1916PThenNb1610.xxgb310gQ−4orah−=0510.x−4−14

4、12/ah−=0510.xL211788510()..bgxVa08841.+−fODS12/−−10M−1916P−−b4.8310xVgaf2.35DSNbg1610.xxbg310Qwhichyieldsorah−=0163.µm−4ah−=0510.x(ii)ForVV==12,V−.5V−1012/GSDS−−b4.3110xVgaf1884.DSah−=0016.µmor(iii)ForVV==15,VV−ah−=0215.µmGSDSah−=−0096.µm(ii)ForVV==12,V−.5VGSDSwhi

5、chimpliesnoundepletedregion.ah−=00653.µm199rdSemiconductorPhysicsandDevices:BasicPrinciples,3editionChapter13SolutionsManualProblemSolutions13.5−−440210..xx=05102eaN−1412/dL213188510()..bgxVa−VfO(a)VPO=biGS2∈−M−1916P−−194216Nbg1610.xxbg810Qbg1610..xxxbg0510bg810=w

6、hichcanbewrittenas−14211788510()..bgx−−1010910xx=−181110.aVVfbiGSororVVPO=155.VV−=4.97VbiGS(b)Now12/L1816OL2∈−afVVOb310810xxgbgbiGSaha−=−V=()00259.lnMPbi2eN6NMdQPMNbg1810.xPQsoor−−440210..xx=0510VV=136.bi12/−14ThenL211788510()..bgxVa−VfObiGS−M−1916PVVGS=−=−bi4.971

7、36.4.97Nbg1610.xxbg810QororVV=−361.GS−−1010910xx=−161810.aVVfbiGSwhichyields13.7VV−=556.V2biGSeaNNowa(a)V=PO2∈L1816Ob310810xxgbg2−−19416Vbi=()00259.lnM2Pbg1610..xxxbg0310bg31010MNbg1510.xPQ=−14213188510()..bgxororVV=0896.biVV=1863.ThenPOV=−⇒0897556..VV=−4.66L510xx

8、1831016OGSGSbgbgV=()00259.lnMPbi26MNbg1810.xPQ13.6ForGaAs:or(a)VV=1352.bi2TheneaNdVPO=VVV=−=−18631352..2∈PPObior2−−19416bg1610..xxxbg0510bg810VV=0511.=P