ch16_solutions - 16-574 CHAPTER 16

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Unformatted text preview: 16-574 CHAPTER 16 16.14.02k1+0.15(291-0.03(29R4.02k1+0.15(291+0.03(29| 4.48k R4.76k16.2IC1=IS1expVBE1VT| IC2=IS2expVBE2VT| IC2IC1=IS2IS1expVBE2-VBE1VT| VBE=VBE2-VBE1IS=IS1-IS2| IS=IS1+IS22| IS1=IS1+IS2IS| IS2=IS1-IS2ISa( 29IC2=IC1: VBE=VTlnIC2IC1IS1IS2=0.025ln 1(29IS1+IS2ISIS1-IS2IS=0.025ln1.05(290.95(29=2.50 mVb( 29VBE=0.025ln1.10(290.90(29 =5.02 mVb( 29IS1IS2=1+ISIS1-ISIS=expVBE2-VBE1VT=exp0.0010.025 =1.04ISIS=0.02 or2%16.3a( 29For v1= 0 =v2, VBE1=VBE2and the collector currents are the same. So, VOS= 0. Only the base currents will be mismatched.b( 29IC1=IS1-0.025(29expVBEVT1+VCEVA| IC2=IS1+0.025(29expVBEVT1+VCEVAIC=IC2-IC1= 0.05ISexpVBEVT1+VCEVA| IC=IC1+IC22=ISexpVBEVT1+VCEVAVOS=ICgm=VTICIC=0.025V0.05(29=1.25 mVc( 29IC1=ISexpVBEVT1+VCEVA1+0.025(29| IC2=ISexpVBEVT1+VCEVA1-0.025(29IC=IC2-IC12245ISexpVBEVT1-1.025VCEVA-1+0.975VCEVA=ISexpVBEVT0.05VCEVA16-575 IC=IC1+IC22=ISexpVBEVT1+VCEVA| VOS=ICgm=VTICIC=0.025V0.05(29VCEVA1+VCEVAFor VCEVA=0.1, VOS=114 mVd( 29VOD=ICRC+0.025RC(29-RC-0.025RC(29=0.05ICRCVOS=VODgmRC=VTVODICRC=0.025V0.05(29=1.25 mV16.4a( 29ID=250(2910.05(292mAV22-10.025(292| IDmax=250(291+0.05(292mAV21+0.0252=138mAIDmin=250(291-0.05(292mAV21-0.0252=113mAID=138mA+113mA2=125.5mA| ID=138mA-113mA=25mA| IDID=19.8%b( 29IDmax=250(291+0.05(292mAV23+0.0252=1.20mAIDmin=250(291-0.05(292mAV23-0.0252=1.05mAID=1.20mA+1.05mA2=1.125mA| ID=1.20mA-1.05mA= 0.150mA| IDID=13.3%16.5VGS1=VTN+2IDS1Kn'WL1=VTN+2IDS1Kn'WL11+W/L(292W/L(292245VTN+2IDS1Kn'WL1-W/L(294W/L(29VGS2=VTN+2IDS2Kn'WL2=VTN+2IDS2Kn'WL11-W/L(292W/L(292245VTN+2IDS2Kn'WL1+W/L(294W/L(29IDS2=IDS1: VGS2-VGS1=2IDS2Kn'WLW/L(292W/L(29 =VGS-VTN(29W/L(292W/L(29a( 29VGS=VGS-VTN(29W/L(292W/L(29 =0.5(290.102 =25 mVb( 29W/L(29W/L(29=2VGSVGS-VTN(29=20.0030.5=1.2 % | c( 29W/L(29W/L(29=2VGSVGS-VTN(29=20.0010.5=0.4 %16-576 16.6IS1expVBE1VT=IS2expVBE1+0.002VT| IS1IS2=exp0.0020.025=1.08 | IS1=1.08IS2IS=IS1-IS2= 0.08IS2| IS=IS1+IS22=1.04IS2| ISIS=0.081.041....
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This note was uploaded on 01/17/2011 for the course ECE 3040 taught by Professor Hamblen during the Fall '07 term at Georgia Institute of Technology.

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ch16_solutions - 16-574 CHAPTER 16

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