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 = 270 Ω, and RL = 4.7 Ω.

For amp 1: Ri1 = 470 Ω, A1= 25, Ro1 = 27 Ω.

For amp 2: Ri2 = 10 Ω, A2= 5, Ro2 = 47 Ω.

For amp 3: Ri3 = 15 Ω, A3= 20, Ro3 = 82 Ω.

For amp 4: Ri4 = 18 Ω, A4= 5, Ro4 = 4.7 Ω.

Find the gain, G = vo/vi.

Answer