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 = 56 kΩ, and RL = 560 Ω.

For amp 1: Ri1 = 10 kΩ, A1= 5, Ro1 = 4.7 kΩ.

For amp 2: Ri2 = 2.7 kΩ, A2= 5, Ro2 = 3.9 kΩ.

For amp 3: Ri3 = 1.8 kΩ, A3= 5, Ro3 = 2.7 kΩ.

For amp 4: Ri4 = 3.3 kΩ, A4= 25, Ro4 = 180 Ω.

If the amplitude of the input signal is vi = 0.28 V, find the amplitude of the amplified output singnal, vo.

Answer