Question

Q1) Find V, if VC=12,-Vcc=12 for each op-amp, V =7mV,V2=-3 mv,va=10mv? 10KΩ 20KΩ - - 10KΩ V, - - 2KΩ V2- W 1ΚΩ V, Λ Q2) Find V2,V3, if Vcc=100,-V--12v for each op-amp? 200 ΚΩ ΑΛΛΜ 20 ΚΩ ΑΛΛΑ Ac 200 kΩ ΛΜ ξ10 ΚΩ

*v3=10mv

Answer 1

| @) Output op ist Op-Amp RF (Vo) + ( 12 °C Sep => Rr=20kr - Ri= Cokn R2 = 2x2 Rg=lku Vi=7my 12=3mV Vung = lomy § gain of of and Op-Amp = - RF2 (output of . Op-Amp1) X -90 S - (-8*** *49***142)) 10 =-21 -2*7 + (-10)x - 3+ (-2005) =-26-14 +304-2009m vi = -21-184) = 368mv 2 3.687

book Q2) Input op. Amp is a Buffer So it's Output is nov. So Now Ve= (1+ Rx) *-3 => RF = 200KR Rizoku - ( 1+ 200% )x-3 1+10) x-3 = -331 But as -Vcc = -12V oply VR will be only ve 2-12) Now yg = Rfx 8-3= -ROOK X-3 as -12V C-12 Ri Tok Rp=200ks Ri-roke V3 = -20% -3 = 60v. But as Vcc=lov ["3= lov at the output.