The three stage cascade feedback circuit

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Reference no: EM131225524

Consider the three-stage cascade feedback circuit in Figure (a).

Each stage corresponds to the circuit in Figure (b), with transistor parameters: h_FE = 180, V_BE (on) = 0.7 V, and V_A = ∞.

The source resistor is R_S = 10 k Ω, and the load resistor is R_L = 4 k Ω.

Determine the value of R_F such that the closed-loop gain is A_v = v_o/v_i = -80.

2461_Figure (a).jpg

2459_Figure (b).jpg

Reference no: EM131225524

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