Question

+5V RC Re1 OVOUT ROUT R. RgI 40k Rg2= 20k Rc 1k REI=2.5k RE2 1k2 RL= 2k2 R=50k B=99 RIN RB2 REI RE -51 (a) [2 pts] Calculate the DC emitter current IE and the DC collector voltage Vc. You can neglect the Early Voltage effect (VA = 00) (b) [2 pts] Calculate the input resistance RIN (c) [2 pts] Calculate the output resistance ROUT (d) [4 pts] Calculate the gain VouUT/Vs wwli

Answer 1

Anatysles Analyein A DC dc forr DC Not equvalent eircuit C. eReL DE= (l+R)IB NIN et VBE0V) 1.67V RertRBR 20 +4 6 Kane RelllRB 20/110 13.33 KU. Base Loop KVL 167 07 NBE Nh- 13.33 +0439).2-5 SB 3.83 MA IcE BR80 3646 mA A O,263 m

VX Rin +p)Re TT+ 6.8+ (1+99 0.コ1428 tins 78.228 K Kin 8.228 Rin 13.33 - AL Rin 1.30g KW Beeause Rout Kout from outpud ide -1bRellL) Anput 8ide (1+8)6RE VX

VC ニ 5- O- 3646X 1 4.635 Vo 1t Parameders 3646 25 et VT 25 m 99 二 68 Kw 14.58 XAC Aratyetu egivalont cinit quiralont model ahort Circuit, Ramt De founo AC Raplaue BTT Lapauiter And T- C KS Vo 91 + BIb ellReRE Kout Kin Rin 25//1= 0·子1420Kん feっ= RE= Rei)

dorided twean in amd Rs tanue gets alomidor, Rin NX Rs+ Kin Rin Rethin ++p)foRe VX Tb CTT +0+B) fe) (fs+hin) Rin amd We (RC11RL) Rn No S Rin (RellR) (YTT +(1+R) RE) Rs+Rin) (4/12) 49 11:389 Vo (6.6 100 0.71420) 0+11309) Vo O, 15 65 V/V