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4. Figure 4 shows a multi-stage op-amp circuit with three input and one output. i) State the type ...
4. Figure 4 shows a multi-stage op-amp circuit with three input and one output. i) State the type of amplifier configuration for op-amp A and op-amp C. ii) Given that V? = 2 V, V? = 4 V and V3 = 1 V, find VA, VB, Vc and VD. iii) Determine the output voltage, Vo of the system. R4 2kQ www R? 2kQ Rg V? ww A Vc 5?? R?1 5?? www E R10 5?? ww V? V3 ww R? 10kQ ww R5 5?? www R3 202 + R? 10kQ www B VA VB R7 6kQ + ? D Rg 12?? VD .Vo