Two-port amplifier model practice problems
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Read the Amplifier class notes.
For the amplifier circuit shown, RS = 15 kΩ, and RL = 330 Ω.
For amp 1: Ri1 = 33 kΩ, A1= 10, Ro1 = 4.7 kΩ.
For amp 2: Ri2 = 3.3 kΩ, A2= 10, Ro2 = 1.2 kΩ.
For amp 3: Ri3 = 1.2 kΩ, A3= 15, Ro3 = 820 Ω.

Find the gain, G = vo/vi.