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The N-MOSFET in the following figure has Vt = 0.4 V, k

The N-MOSFET in the following figure has Vt = 0.4 V, k

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The N-MOSFET in the following figure has Vt = 0.4 V, k

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5.54 The MOSFET in Fig. P5.54 has Vt = 0.4 V, kn′ = 500 μA/V2, and λ = 0. Find the required values of W/L and of R so that when vI = VDD = +1.3 V, rDS = 50 Ω, and vO = 50 mV
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5.54 The MOSFET in Fig.P5.54 has Vt = 0.4V, kn = 500 μA/V2, and λ = 0. Find the required values of W/L and of R so that when vI = VDD =+1.3V, rDS = 50 and vO = 50mV

5.54 The MOSFET in Fig.P5.54 has Vt = 0.4V, kn = 500 μA/V2, and λ = 0. Find the required values of W/L and of R so that when vI = VDD = +1.3V, rDS = 50 and vO = 50mV
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D *7.121 The MOSFET in the circuit of Fig. P7.121 has Vt = 0.8 V, kn = 5 mA/V2, and VA = 40 V. (a) Find the values of RS, RD, and RG so that ID = 0.4 mA, the largest possible value for RD is used while a maximum signal swing at the drain of ±0.8 V is possible, and the input resistance at the gate is 10 MΩ. Neglect the Early effect. (b) Find the values of gm and ro at the bias point. (c) If terminal Z is grounded, terminal X is connected to a signal source having a resistance of 1 MΩ, and terminal Y is connected to a load resistance of 10 kΩ, find the voltage gain from signal source to load. (d) If terminal Y is grounded, find the voltage gain from X to Z with Z open-circuited. What is the output resistance of the source follower? Figure P7.121 (e) If terminal X is grounded and terminal Z is connected to a current source delivering a signal current of 50 μA and having a resistance of 100 kΩ, find the voltage signal that can be measured at Y. For simplicity, neglect the effect of ro.D *7.121 The MOSFET in the circuit of Fig. P7.121 has Vt = 0.8 V, kn = 5 mA/V2, and VA = 40 V. (a) Find the values of RS, RD, and RG so that ID = 0.4 mA, the largest possible value for RD is used while a maximum signal swing at the drain of ±0.8 V is possible, and the input resistance at the gate is 10 MΩ. Neglect the Early effect. (b) Find the values of gm and ro at the bias point. (c) If terminal Z is grounded, terminal X is connected to a signal source having a resistance of 1 MΩ, and terminal Y is connected to a load resistance of 10 kΩ, find the voltage gain from signal source to load. (d) If terminal Y is grounded, find the voltage gain from X to Z with Z open-circuited. What is the output resistance of the source follower? Figure P7.121 (e) If terminal X is grounded and terminal Z is connected to a current source delivering a signal current of 50 μA and having a resistance of 100 kΩ, find the voltage signal that can be measured at Y. For simplicity, neglect the effect of ro.
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