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Question 1 (Marks: 20) answer the following questions: VDD Rsi www Rs Assume the circuit parameters are VDD = 12 V, R1 = 162 k, R2 = 463 k, and RS = 0.75 k, and the transistor parameters are VTN = 1.5 V, Kn = 4 mA/V2, and λ = 0.01 V-1. Also assume RSi = 4 k. Q.1.1 Which configuration is the above circuit ? (2) Q.1.2 (4) Calculate the operating drain current and the voltage drop between the drain and the source. Q.1.3 Find the small signal hybrid-π parameters (namely gm and r) (4) Q.1.4 (2) Calculate the input resistance Q.1.5 What is the output resistance? (2) Q.1.6 Calculate the small signal voltage gain? (4) Q.1.7 What will be the ac output voltage if the input vs = 3sinwt ? (4) R₁ -0%