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

For the amplifier circuit shown, R_S = 4.7 kΩ, and R_L = 12 Ω.

For amp 1: R_i1 = 5.6 kΩ, A₁= 20, R_o1 = 100 Ω.

For amp 2: R_i2 = 180 Ω, A₂= 20, R_o2 = 47 Ω.

If the amplitude of the input signal is v_i = 0.2 V, find the amplitude of the amplified output singnal, v_o.

Answer