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In the following circuit assume that all transistors are operating in the saturation region. Also, assume that λ = γ = 0, VDD = 1.8 V, Vbias3 = 1.15 V, VTN = 0.4 V and VTP = −0.4 V, μnCox = 800 μA/V2, (W/L)1 = 40, μpCox = 400 μA/V2, (W/L)2 = 40, (W/L)3 = 40, and RS = 100 Ω. a) Find Vbias1 such that the bias current of M1 is I1 = 1 mA. b) Calculate the small-signal voltage gain AV1 = Vout1/Vin . c) Calculate the small-signal output impedance seen at the output node Vout1.

In the following circuit assume that all transistors are operating in the saturation region. Also, assume that λ = γ = 0, VDD = 1.8 V, Vbias3 = 1.15 V, VTN = 0.4 V and VTP = −0.4 V, μnCox = 800 μA/V2, (W/L)1 = 40, μpCox = 400 μA/V2, (W/L)2 = 40, (W/L)3 = 40, and RS = 100 Ω. a) Find Vbias1 such that the bias current of M1 is I1 = 1 mA. b) Calculate the small-signal voltage gain AV1 = Vout1/Vin . c) Calculate the small-signal output impedance seen at the output node Vout1.

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Q1. [1.5 marks] In the following circuit assume that all transistors are operating in the saturation region. Also, assume that λ = Y = 0 , V D D = 1.8 V , V bias3 = 1.15 V , V T N = 0.4 V and V T P = − 0.4 V , μ n C o x = 800 μ A / 2 , ( W / L ) 1 = 40 , μ p C o x = 400 μ A / N 2 , ( W / L ) 2 = 40 , ( W / L ) 3 = 40 , and R S = 100 Ω . a) Find V bias1 such that the bias current of M 1 is I 1 = 1 m A . b) Calculate the small-signal voltage gain A V 1 = V out 1 / V in . c) Calculate the small-signal output impedance seen at the output node Vout1.

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