Question

2o4r 180 kr 18 kn I d 20V 3our 3ohur et vot Vlo 875 kr a 20kn / 20v $2our The op-amp in the adder – subtracter circuit shown in the figure is ideal. a) Find i when wa=2v, vb=3v, Ve=4v d=5v. 6) if vb. &, and va are held values of sou will not saturate constant, what the op amp?

Answer 1

2ok Va sk 30k M 20k 2ok bnNadaf analyae at lade vt, vt 30k 20k 2ok V + 2 v 3 d 2Ve+3 yt: Accoding to VEtoa 8und Corcept, vtv y t3 DCKUOIOOA ft

at clode v V-Yo dok 8ok 9VatioVo o Va-Ob20V 9Va-ob 20 2-9Va-1o Vb svct7.s Vo9Va 1oV S7.S Va , V3 Vc,Vd = SY sk V 9.SV o1267mA 6 9 Va + . S Vo 2o V - 20 20-27 S Na Yo 20v =O8333 Va -o 8333 V

Va 20-27S -20V Va -s.27 8 -S. 28 4 Va .8333Y acll rot satoate op-amp