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

For the amplifier circuit shown, R_S = 2.2 kΩ, and R_L = 12 Ω.

For amp 1: R_i1 = 4.7 kΩ, A₁= 15, R_o1 = 150 Ω.

For amp 2: R_i2 = 270 Ω, A₂= 25, R_o2 = 82 Ω.

If the amplitude of the input signal is v_i = 0.3 V, find the amplitude of the amplified output singnal, v_o.

Answer