Question: following common-source amplifier. We have vsig = 60 mV, Rsig = 50 k, RG1 = 600 k, RG2 = 300 k, RD = 2.2 k,

following common-source amplifier. We have vsig = 60 mV, Rsig = 50 k, RG1 = 600 k, RG2 = 300 k, RD = 2.2 k, RS = 1.0 k, RL = 3.9 k, Vt = 0.4 V, and VDD = 9.0 V. If the output, vo is 87 mV, (a) Find the current amplification, Ai (10 points); (b) Find DC power consumption of the MOSFET, PDC in a unit of mW (30 points)

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