EE 201 Circuits G. Tuttle

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


For the amplifier circuit shown, RS = 1 kΩ, and RL = 39 Ω.

For amp 1: Ri1 = 1.2 kΩ, A1= 15, Ro1 = 180 Ω.

For amp 2: Ri2 = 120 Ω, A2= 5, Ro2 = 330 Ω.

For amp 3: Ri3 = 330 Ω, A3= 20, Ro3 = 82 Ω.

Find the gain, G = vo/vi.

Answer