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Problem 9-1: Assume there is an ideal opamp"A" in the circuit below, Figure 9-1. a) Calcul ...
Problem 9-1: Assume there is an ideal opamp"A" in the circuit below, Figure 9-1. a) Calculate an expression for the output voltage Vo in terms of the input voltage V1 and input voltage V2, and the two resistors RF and Ri. [Note the output gain for Vo/V1 for input V1 is different than the magnitude of the output gain Vo/V2 for input V2.] b) Let RF = 12k, R1 = 3k, and V1 = 4volt, V2= 3volt, calculate the value for the output voltage, Vo. ? + + R RE vo w V2 o Figure 9-1 Equation: Vo: