Two-port amplifier model practice problems
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Read the Amplifier class notes.

For the amplifier circuit shown, R_S = 22 kΩ, and R_L = 150 Ω.

For amp 1: R_i1 = 18 kΩ, A₁= 5, R_o1 = 1.2 kΩ.

For amp 2: R_i2 = 1.2 kΩ, A₂= 10, R_o2 = 5.6 kΩ.

For amp 3: R_i3 = 2.7 kΩ, A₃= 20, R_o3 = 470 Ω.

If the amplitude of the input signal is v_i = 0.7 V, find the amplitude of the amplified output singnal, v_o.

Answer