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In the circuit below, the supply voltage is VDD = 5 V, VG = 2.5 V (i. e. constant), RS = 1 kΩ, RD = 6 kΩ, the threshold voltage is Vt = 1.5 V, the transconductance is k = 4 mA/V2, and the channel-length modulation parameter is λ = 0. (a) Calculate the dc output voltage and the dc drain current of M1. What is the region of operation of M1? (b) Draw the small-signal equivalent circuit, calculate gm, and find the open-circuit voltage gain Avo, the equivalent output resistance rout , and the equivalent input resistance rin.

In the circuit below, the supply voltage is VDD = 5 V, VG = 2.5 V (i. e. constant), RS = 1 kΩ, RD = 6 kΩ, the threshold voltage is Vt = 1.5 V, the transconductance is k = 4 mA/V2, and the channel-length modulation parameter is λ = 0. (a) Calculate the dc output voltage and the dc drain current of M1. What is the region of operation of M1? (b) Draw the small-signal equivalent circuit, calculate gm, and find the open-circuit voltage gain Avo, the equivalent output resistance rout , and the equivalent input resistance rin.

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In the circuit below, the supply voltage is V D D = 5 V , V G = 2.5 V (i.e. constant), R S = 1 k Ω , R D = 6 k Ω , the threshold voltage is V t = 1.5 V , the transconductance is k = 4 mA / V 2 , and the channel-length modulation parameter is λ = 0 . (a) Calculate the dc output voltage and the dc drain current of M 1 . What is the region of operation of M 1 ? (b) Draw the small-signal equivalent circuit, calculate g m , and find the open-circuit voltage gain A v o , the equivalent output resistance r out , and the equivalent input resistance r i n .

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