Consider the common-drain amplifier shown at the right. The MOSFET has

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Consider the common-drain amplifier shown at the right. The MOSFET has K = 1.6 mA/V2, Vt0 = −1.2 V, rd = 16 kΩ. The supply voltages is VDD = 10 V. The resistances are RS = RL = 4 kΩ, R1 = 850 kΩ, and R2 = 350 kΩ. (a) Determine VSDQ, IDQ, and the value of gm. (b) Find the voltage gain Av = vo/vi and circuit transconductance gain Ag = io/vi. (d) Determine the output resistance Ro.

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$(20 %)$ Consider the common-drain amplifier shown at the right. The MOSFET has $K = 1.6$ $m A / V^{2}, V_{t 0} = - 1.2 V, r_{d} = 16 k Ω$ . The supply voltages is $V_{D D} = 10 V$ . The resistances are $R_{S} =$ $R_{L} = 4 k Ω, R_{1} = 850 k Ω$ , and $R_{2} = 350 k Ω$ . (a) Determine $V_{S D Q}, I_{D Q}$ , and the value of $g_{m}$ . (b) Find the voltage gain $A_{v} = v_{o} / v_{i}$ and circuit transconductance gain $A_{g} = i_{o} / v_{i}$ . (d) Determine the output resistance $R o$ .