Find V, and V, in the circuit in Fig. P3.6 using nodal analysis. 4 mA + V₁ 6ΚΩ 6 mA www 4 ΚΩ + V, Σ 3 ΚΩ 1 ww 6ΚΩ

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Solution with fbd

(iii) A team member in your design team has obtained the following relationship between signals Vd and v₂: vd = -2v, +3 (This may or may not be correct) ----- (1) An OPAMP topology that can condition signal to obtain signal is given below (Fig. 3.3). Design the topology components of Fig. 3.3 to produce signal va as output, given signal vas input based on the relationship given in equation (1). Choose R₁ = 15kN. Vs R₂= = R1=15kΩ Fig. 3.3: OPAMP topology 1 Vref = R₂ + Vref Va