Question

3. Determine the voltage gain and I/O impedances of the circuits shown in figure below. Assume VA=00. (15 pts) VOD Voo VOD VOD LI M2 M2 M2 M2 R1 RC Rc Vout Vout Vout • Vout Vin 40M Vin 4 M Vin 40M Vin 4M ta a. (3 pts) b. (4 pts) c. (4 pts) d. (4 pts)

Answer 1

sland Carrabed AC Ro=8 Ro = "Igm Ro -Wgml180) TRO famillo) Rc vo = .Rc Ygm -Im Rc 11 Vin 2 Based on ceboue CKT JVOD Com) ya) 40 Ro lll mp Rizoo Vin R0 =(Yome 11702)/10, + Nou, 862 ao Ro= 11gme

Are = - Ime Ro - 9 mo (Nome mallroz Area gmi 9m2 2 (Vgmel)62) Rp = R + Chondo Ri Ri Vo V; mo Vin Rinza 11802 rin M2 Ro= Ro tym Igna Ro=Rot - Ay = - 6. + Varel/ron) Yomi -Impo Ax= - Imi ( R + Yme) Yo2, D01200 (19m2) 3 PRC ovout 96 OKT (Yo-) Thon Ckta = ckt b Vin Pn=0 Ro= Pit lama Ckto-c Ax=- Imi (hit "Ame)

a - Rc Vin find lo TG=0 Ies G Dink Rc.) VIT Ro=V I I= 9M VA Vo = V by kv2 VII = Igma I Rin=0 Ro= Igma Rp = 19 m2 -Vo = Vo vi に : "Iymi Ay- Do y = -9 mi gomz

Nate 6 proobi- G + 880-8 21 UT Synte Th=0 'Rin of I کر Rin=p Ro Ro=V2 = 1 m I Izo 'VT Rin (U = Very) Ri= I=IMVIT Rin=lgm 1D vo t + t Vi Pomlit RO Vin I IVIT=V; Vo=-Im NARD vo -Im RD (UIT=Vi)