《模拟电子技术基础》复习资料与答案

11.2.3.4.5.NP6.IIIBAlP7._____8._____9.N10.NP11.NP12.13.PN14.PN15.PNPN16.PN17.PNPNPN18.PNPN19.I=IS(eU/UT-1)20.21.Aβ=200ICEO=200μABβ=50ICEO=10μAB22.23.UZ24.PN25.26.PN27.IE=IB+IC28._NPN___PNP________________29.30.ICIB_IC=βIB_ICIB__IC≈0__231.b≈IC/IB32.NPNEBC__UBEQ0.2V33.PNPEBC____34.ICBO___ICEO____UBE____b_____35.__PCM_______ICM___________36.__________IC=bIB______IC≈0_______UCE≈037.38.NPNVB=+10.7V,VC=+10.3V,VE=+10V___39.VA=+3.1V,VB=+2.9V,VC=-2VPNPABC40.VA=+7V,VB=+1.8V,VC=+6.3VPNPABC41.VA=+7V,VB=+1.8V,VC=+2.5VNPNABC42.123I1=1.5mAI2=30μAI3=1.53mA123b=50α=0.9843.PNP_______44.45.(a)NPN(b)(c)(b)____(c)46.Ui=0_____Ui_______________47._____(b)+VCCRbRCRLUOUi(a)tUO0tUO0(c)348.____49._______50.51.___52.(a)__Rb____53.NPNPNP___RbRbRb54.BJTβFETgm55.BJTFET56.BJTBJTBJT57.58.________________59.60.61.62.163.____64.65.66.67.Au=100050mV50μV68.69._________________70.40dB20dB60dB100071.1001000105100dB472.73.NP74.75.IG≈076.177.___________78.VT1VT2____VT1____VT2__________C1C3C4________C2______R4__79.f=fβ|β|β02f=fT|β|=1fTfβ80.20dB/|Au|=10040dBf=fh37dB-4581.*40dB/82.*20dB10kHz50Hz40dBfh≈10/21/2kHzfL≈21/2×50Hzfbw≈fh≈10/21/2kHz83.________84._____________85.86.____87._____88.____89._____90.________R1R3C3C1UoUi+++VccR4C2R2R5VT1VT2R6RC4591.92._______93.______________94.20mV10V200mV__10__95.FA&&=__1__96.40dB10%1%__60___dB97.*Gm≤10dBφm≥4598.θ=180°θ=90°90°θ180°99.ηC=Po/PU×100%50%78.5%100.OTLUCC=12VRL=8ΩUCES=1V=6VUom=5VPo=1.56W101.OTLUCC=24VRL=8ΩPomax=9WRL102.103.Po=20WPCM0.2Po=4WUCC=±24VOCLU(BR)CEO≥2UCC=48V104.105.____106.107.uI1=20mVuI2=15mVuId=5mVuIC=17.5mVuI1=uI2=20mVuId=0mVuIC=20mVuI1=uI2=20mVuId=40mVuIC=0mV108.109.110.Re111.112.113.===KCMR=-3dBfh=114.u+ui+i115.u+=ui+=i∞RFR1uIuoA6u+=u116.117.R1RFAuf-RF/R11+(RF/R1)118.119.120.RCRC121.122.U2Uo=1.2U2RLUo=0.9U2RLUo=1.4U2RLUo=0.45U21.P212342.PN212343.PN112344.PN112345.PNP+NBAP+BNCP+ND6.CAi=IS(1-ekT/qu)Bi=IS(ekT/qu-1)Ci=IS(equ/kT-1)Di=IS(1-equ/kT)7.PNDAPNBPNCPNDPN8.112349.NPNVB=+2.7VVC=+7VVE=+2V2123410.|UBE|2123411.3123412.NPN4127(a)(b)(c)(d)3413.DNuDSuGS-UGS(th)uDS=uGS-UGS(th)uDSuGS-UGS(th)P│uDS││uGS│-│UGS(th)││uDS│=│uGS│-│UGS(th)││uDS││uGS│-│UGS(th)│(a)~(d)NMOSFET(a)(b)uGS0FETuGSUGS(th)Id(c)uiBS=-5V0uGS=12VUGS(th)uDSuGS-UGS(th)8(12-2)(d)uGS=12VUGS(th)uDSuGS-UGS(th)18(18-3)14.CEUCC=12V0.2V1123415.UCC=9VUC=0.2V2123416.CE11Rb↑2Rb↓3β4RL↓17.PNP2123418.Q3123419.ABCD20.ICQCβ(hfe)ICEOrbe(hie)BUCEO21.ICQDRi↑Ro↑fh↑|Au|↑22.ICQ=1mAβ501008|Au|D1/22423.CABCD24.CABCD25.CABCD26.A27.BABCD28.DABCD29.30.4V3kΩ3VCA10kΩB2kΩC1kΩD0.5kΩ31.CABCD32.DABCD33.BABCD34.2123435.C1fLBABCD36.CECefLBABCD37.CERCfHAABCD38.CπCb′eCμCb′cBABCD939.1123440.f=fLuoBA90°B45°C45°D90°41.f=fhuoCA90°B45°C45°D90°42.fhf=fhuoCA270°B135°C135°D270°43.fhf=fhAuBA9dBB9dBC3dBD3dB44.DABCD45.BA|Auf|↑fbw↓B|Auf|↓fbw↑C|Auf|↑fbw↑D|Auf|↓fbw↓46.DABCD47.ABCD48.BABCD49.CABCD50.AABCD51.DABCD52.111/(1+AF)21+AF31/(1+AF)41+AF53.CAIΣ+If=IiBIi+If=IΣCUΣ+Uf=UiDUi+Uf=UΣiΣf54.AAIΣ+If=IiBIi+If=IΣCUΣ+Uf=UiDUi+Uf=UΣ55.40dBUo=1VUiAA10mVB20mVC25mVD100mV56.A|Auf|D1057.|1+FA&&|A111158.Af≈C1/(1+FA&&)1+FA&&1/F&F&59.CAIf≈IiBIf≈IΣCUf≈UiDUf≈UΣ60.AAIf≈IiBIf≈IΣCUf≈UiDUf≈UΣ61.BABCD62.ABCD63.KCMRBABC1D164.AABC1D165.AABCD66.ACABCD67.ReBABCD68.DABCD69.CABCD70.ReBABCD71.3123472.311W(2)2W(3)4W(4)8W73.50WPCMAA10WB25WC50WD100W74.OTLUomAUCCBUCCCUCC/2DUCC/2VT1R8+8VVT2Ui1175.OCLUomAAUCCBUCCCUCC/2DUCC/276.β41NPNβ=β2(2)NPNβ=β1β23PNPβ=β1(4)PNPβ=β1β277.β1β2βCAβ1+β2Bβ1-β2Cβ1β2Dβ1/β278.1123479.POCAPOBCD80.ABCD81.AABCD82.Uid=0BABCD83.AABCD84.U2Uo≈CA0.45U2B0.9U2C1.2U2D1.4U285.U2Uo≈BA0.45U2B0.9U2C1.2U2D1.4U286.U2UDRmax≈BAU2B2U2C22U2DU2/287.BAUOBUOCUOD88.CDACRL1≤(3~5)T/2BCRL1≥(3~5)T/2CRLC≤(3~5)T/2DRLC≥(3~5)T/2VT2VT1