Problem 1: Consider the feedback circuit above, where $R_1 + R_2 >> R_D$. Compute the closed-loop gain and the input and output impedances of the circuit. Assume $\lambda \neq 0$.
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In this feedback circuit, the closed-loop gain is given by the formula: Acl = -Rf/Rp Since R+R >> Rp, we can assume that R+R is much larger than Rp. Therefore, we can approximate the closed-loop gain as: Acl ≈ -Rf/R Show more…
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