模电-童诗白(第四版)课后题全解

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33
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39*bᵫ=3V>%ᔣ=2V,MOSFET1ᎷÀMOSFETXY⛳=Z஺±ij஻=PXMGS-Gw஺+a%=*x02%xF.[1+å*20-20/-0]D=0.1*2-஻10/஺=2-/஺ᓽ11/஺=2I=-^-=0.181SnAD%=2W-1R=20V-0.1818஻AX20K=16.36VDDᵫL=16.36V>&-&”,1àáMOSFETâXYᙠ⛳=Z1ᎷÀᡂä஺cᵫ¶=»/>%ᔣ=2V,MOSFET஺ᎷÀMOSFETXY⛳=Z஺±U-%ᔣ2*1+4%=æ0.2%2x22.[l+#20-20/J-0]=04*2-஻10/஺=8-4/஺ᓽ14/஺=8/=^«0.5714?ZADV=20V-IR=20V-0.5714஻Ax20K«8.57VDDDᵫç=857V>%-%Ḅ1àáMOSFEEâXYᙠ⛳=Z1ᎷÀᡂä஺4-10ᙠ⚪4-10ÂᡠÄᵯÅè1ᎷÀé³ᑁ,Coxëµ,Vs*th=0.75V,l=1mA,ìªᶍ'GD2⍝|¬ᑴᦔ°1íÀTi³Ḅ'⍝î|ïW஻T2³Ḅ5ð஺ñᵯeRḄᵯIRò஺/᪷⚪1ஹt2é³Ḅ᜜ஹCoxëµ1=0.75V,ªᶍ'⍝|¬ᑴᦔ°1/=lmA*f,=5®D22ᵫ▲ᔣ1XXY⛳=Z1Àt2ôXY⛳=Z1ᑣ=♦஻஻஺õ½"%u¶/]2

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41(3)@9ABᵯCD஺E*᪷G⚪HC*)ᑴxl000'%sx3xl(y%,2x(+)=10.2%=0.0102%M/=20(V,=10V,N-EMOSFET"#ᙠ⛳&'(1)<,᩽ᵯ//Ḅ21஻M67g“2᩹KL=270.0102-1%xlmA«0.202"%89ᵯ:M=N=O=20()K஺<,᩽ᵯ//᝞210஻"67g,„*2]ᛀᓃ1W=2j().0102஻%2xl0mA«0.639"%89ᵯ:஻=N=O=20KQ(2)<%=10%ᵫ=1஻"C

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51{ᜧᵯḄ⚣᳛VC⚪ஹ(1)A(2)BA(3)BA(4)CCஹ(1)☟᝱᝱ᑖ᪆2BQ="஺JBEQx22.01A/EQ=(l+/”BQ°L8mAUcEQ=Vcc~CQ&x3Vk=+(1+0""17koEQ&=rg+=L27kQ(=r஻/?b°1.27kQbeg„,=*°69.2mA/VAus=Jp.'(-g,"Rc)=-178Rs+&be(2)2B஺fj~2rt%e(q+q)2C-C=q+(i+gmRc)q=160.F(3)R=k஻(/b+9஻&)ak஻Obb+6)a567Q1/H=®175kHzR4i/L»14Hz2JI(&+R)Ct(4)2()1g14sm45dB,⚣᳛ᱯឋᶍ஺Gஹ(1)60103

52(2)1010IO*3Hg1W(3)iofT~fff(i+—)(i+j^-)(i+j-4)ifio4io510io4IO5⚪5.1(1)---------------------------জজ2n(R+R//r)C,shbe2)--------------------------------------জজজঞØÙU஻(Ú+R஻4)c-3.2/5.24஺3/Û(*஺+S(1+jio)(1+ji(7)5.3_____________122____________=TO³A“=1iofa+—)a+—)(i+j—(1+j/)(l+j2)(1+j------r)ifif2.5X105102.5X1055.4(1)¡὚ᔠ;(2)G¥¦(3)§f=104Hz*=-135஺¦§ᱏ105Hz0=-270°஺1()3f'5.5A,=---------------fxa131kHz(1+/fÜ7H1.1V32.5xl055.6(1)

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70

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86

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