Answer Happy

Design with Operational Amplifiers and Analog Integrated
Circuits (4th Edition) chapter 9 problem 31
Find the VTC of the circuit of Fig. P9.31; then, assuming VD(on)
= 0.7 V, show all node voltages for vI = +1 V and vI = −3 V. (b)
Suitably modify the circuit so that it accepts two inputs v1 and
v2, and gives vO = |v1 + v2|.
9.31 (a) Find the VTC of the circuit of Fig. P9.31; then, assuming Vp(on) = 0.7 V, show all node voltages for v = +1 V and uy = -3 V. (b) Suitably modify the circuit so that it accepts two inputs v₁ and v2, and gives vo = |v₁ + 0₂1. R R R R M m OA₂ OA₁ m R D₁ D₂