Consider the bandpass circuit shown in Fig. 17.30(a). Let C1 = C2 = C, R3 = R, R4 =
Chapter 17, Problem 17.73(choose chapter or problem)
Consider the bandpass circuit shown in Fig. 17.30(a). Let C1 = C2 = C, R3 = R, R4 = R/4Q2 , CR = 2Q/0, and = 1. Disconnect the positive input terminal of the op amp from ground and apply Vi through a voltage divider R1, R2 to the positive input terminal as well as through R4/ as before. Analyze the circuit to find its transfer function Vo/Vi . Find the ratio R2/R1 so that the circuit realizes (a) an all-pass function and (b) a notch function. Assume the op amp to be ideal.
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