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Consider the ac equivalent circuit in Figure P6.73. The transistor parameters are β1 = 120, β2 = 80, VA1 = VA2 = ∞, and ICQ1 = ICQ2 = 1 mA. (a) Find the small-signal voltage gain Av1 = Vo1/Vi. (b) Determine the small-signal voltage gain Av2= Vo2/Vo1. (c) Find the overall small-signal voltage gain Av = Vo2/Vi.

Consider the ac equivalent circuit in Figure P6.73. The transistor parameters are β1 = 120, β2 = 80, VA1 = VA2 = ∞, and ICQ1 = ICQ2 = 1 mA. (a) Find the small-signal voltage gain Av1 = Vo1/Vi. (b) Determine the small-signal voltage gain Av2= Vo2/Vo1. (c) Find the overall small-signal voltage gain Av = Vo2/Vi.

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Consider the ac equivalent circuit in Figure P6.73. The transistor parameters are β1 = 120, β2 = 80, VA1 = VA2 = ∞, and ICQ1 = ICQ2 = 1 mA. (a) Find the small-signal voltage gain Av1 = Vo1/Vi. (b) Determine the small-signal voltage gain Av2= Vo2/Vo1. (c) Find the overall small-signal voltage gain Av = Vo2/Vi.

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