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

For the amplifier circuit shown, R_S = 3.9 kΩ, and R_L = 15 Ω.

For amp 1: R_i1 = 3.3 kΩ, A₁= 5, R_o1 = 180 Ω.

For amp 2: R_i2 = 150 Ω, A₂= 50, R_o2 = 33 Ω.

If the amplitude of the input signal is v_i = 3 V, find the amplitude of the amplified output singnal, v_o.

Answer