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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Work With Experts to Reach at Correct Answers![For the circuit shown in Figure. 5, consider the circuit parameters as VCC = VEE = 3.3 V, RS = 500 kΩ, RL = 6 kΩ, RB = 100 kΩ, RE = 12 kΩ, and RC = 12 kΩ. The transistor parameters are: β = 120, VBE(on) = 0.7 V, and VA = ∞. (a) Calculate the Q-point values (ICQ, VCEQ) using DC analysis, (b) Determine the small-signal hybrid−π parameters (rπ, gm, ro), (c) Find the small-signal voltage gain Av = vo/vs, (d) Find the small-signal current gain Ai = io/ii, (e) Determine the input resistance Ri and output resistance Ro. [30 Marks] Figure. 5](https://www.doubtrix.com/uploads/editor/0727546567DUZfZHwYsv.jpg)
![For the circuit shown in Figure. 3, assume the circuit parameters are: VCC = 5 V, VBB = 1.025 V, RB = 100 kΩ, and RC = 6 kΩ. Consider the transistor parameters as β = 150, VBE(on) = 0.7 V, and VA = 150 V. (a) Calculate the Q-point values (ICQ, VCEQ) using DC analysis, (b) Determine the small-signal hybrid−π parameters (rπ, gm, ro), (c) Find the small-signal voltage gain Av = Vo/Vs. [22 Marks] Figure. 3](https://www.doubtrix.com/uploads/editor/7350927957KAVPgqNcBv.jpg)