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The common source amplifier in Fig. 1 has (W/L)1 = 20, Vin = 2 + 0.1sin⁡(1000πt − 90∘) V, Vout , dc = 3 V, and Vdd = 5 V. (a) Assuming λ = 0, γ = 0 for the MOSFETs, derive an expression for the small-signal gain of the amplifier using the large signal analysis. (b) Find the aspect ratio of M2 for the proper operation of the circuit. (c) Plot Vin and Vout for 4 ms and neatly label it. (d) Calculate the maximum allowable input voltage swing of the amplifier. 5 Marks Fig. 1.

The common source amplifier in Fig. 1 has (W/L)1 = 20, Vin = 2 + 0.1sin⁡(1000πt − 90∘) V, Vout , dc = 3 V, and Vdd = 5 V. (a) Assuming λ = 0, γ = 0 for the MOSFETs, derive an expression for the small-signal gain of the amplifier using the large signal analysis. (b) Find the aspect ratio of M2 for the proper operation of the circuit. (c) Plot Vin and Vout for 4 ms and neatly label it. (d) Calculate the maximum allowable input voltage swing of the amplifier. 5 Marks Fig. 1.

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The common source amplifier in Fig. 1 has ( W / L ) 1 = 20 , V in = 2 + 0.1 sin ⁡ ( 1000 π t − 90 ∘ ) V , V out , d c = 3 V , and V d d = 5 V . (a) Assuming λ = 0 , γ = 0 for the MOSFETs, derive an expression for the small-signal gain of the amplifier using the large signal analysis. (b) Find the aspect ratio of M2 for the proper operation of the circuit. (c) Plot V in and V out for 4 ms and neatly label it. (d) Calculate the maximum allowable input voltage swing of the amplifier. 5 Marks
Fig. 1.

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