In Fig. 4, VDD = 2.5 V, R2 = 20 kΩ, R3 = 30 kΩ, (W/L)1 = (2/0.1), and

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In Fig. 4, VDD = 2.5 V, R2 = 20 kΩ, R3 = 30 kΩ, (W/L)1 = (2/0.1), and CC is very large. Determine R1 such that the amplifier gain is maximized with the constraint that the output (Vout) has at least 200mVpp of swing. (20)

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In Fig. $4, V_{D D} = 2.5 V, R_{2} = 20 k Ω, R_{3} = 30 k Ω, (W / L)_{1} = (2 / 0.1)$ , and $C_{C}$ is very large. Determine $R_{1}$ such that the amplifier gain is maximized with the constraint that the output $(V_{out}$ ) has at least $200 m V p p$ of swing. (20)