Question

Find VN, in the op amp circuit given below. 10 pF 60 k92 60 k92 + + v;(t) 20 pF volt) T(s) = V Ns = 1/[(7.2 x 10–13,52 + (2.4 x 10-6)s + 1] T(s) = VNV5 = 1/[(6.2 x 10–12)s2 + (1.0 x 10-6)s + 1] T(s) = V Ns = 1/[(6.2 x 10-12,52 – (1.0 x 10-6)s + 1] O t(s) = VNV5 = 1/[(7.2 x 10-13,52 – 12.4 x 10-6)s – 1]

Answer 1

Page! @ Find (volus) in the op-amp ciocuit given below CIOPE GOKR GOKR T :20PF Volt) vt Solution: Above Electrical Circuit converted into s-domain vo R cis R Vo vo va TES - os = Assume ideal op-amp so, we can say that t = v=vo Applying ke KCL at Node @ Va vo Va-vs R Yus

+ Va-Volcs=0 Page 2 (va-vs) + (v _vo) Varvstva-vot (va-vo) Reis R Va-vstva - Vot Rcis va-RUS Vo=0 2 Va t RC, Sva -vs- vo- ROISVOO (2+r45) Va – VS-VO-RASVO Co Applying Kel at Node (6) O Voo t R (yes) Volgst vor va -o R VOCR s tvo-va o Vo C₂ RStVo = va putting the value of va in equation is then we get

Page 3 (2+ R6,5) (Volg Rs tvo) -vs-vo-Ro, srozo Vo "[@+Reis) (CRS+1)] -vo-R4SVO = vs [2+ Rast ARGS + 2 C₂ RS + RCS X C₂ RS] – Vo - RG SVO Z VS Vo [ 2+ R48A 2 CARS 2R5 + Reisxc3R5-1-845)= v vol 1 + 2 C₂ R S T GER?;²] = ve 1 No VS 1+222 RS + C C2 R²2 TS) = vo - VS 1 +2(20x10! 2)x(60x103) 5 + toxió" x 20 xiol 2 X.60X103X 60X103 S² VOC T(S) = vs 1+(2400x102+3)s 4720000x 10 10247] vo V T(S)= 1 +(2.4x156) + (7.2 x 10'3 ) 52 VO T() = is (-1-2x10')s? + (2-4X166) +1 Hence, option is corrent