Question

An NMOS inverter with an enhancementmode active load is shown in Figure P14.21. (a) If $V_T=0.8 \mathrm{~V}$ for both devices, determine $V_{O H}$ and $V_{I L}$. (b) If the resistance of the load device is $1.5 \mathrm{k} \Omega$, what value of $r_{o n}$ for the input device is required to obtain $V_{O L}=.3 \mathrm{~V}$ ? Figure P14.21 can't copy

   An NMOS inverter with an enhancementmode active load is shown in Figure P14.21. (a) If $V_T=0.8 \mathrm{~V}$ for both devices, determine $V_{O H}$ and $V_{I L}$. (b) If the resistance of the load device is $1.5 \mathrm{k} \Omega$, what value of $r_{o n}$ for the input device is required to obtain $V_{O L}=.3 \mathrm{~V}$ ?
Figure P14.21 can't copy

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Essentials of Electrical and Computer Engineering

Essentials of Electrical and Computer Engineering

David V. Kerns, Jr.,… 1st Edition

Chapter 14, Problem 21

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Step 1

We have: - Threshold voltage \( V_T = 0.8 \, \text{V} \) for both NMOS devices. - Load resistance \( R_L = 1.5 \, \text{k}\Omega \). - We need to find \( V_{O H} \) and \( V_{I L} \) in part (a), and \( r_{o n} \) in part (b) for \( V_{O L} = 0.3 \, \text{V} \). Show more…

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An NMOS inverter with an enhancementmode active load is shown in Figure P14.21. (a) If $V_T=0.8 \mathrm{~V}$ for both devices, determine $V_{O H}$ and $V_{I L}$. (b) If the resistance of the load device is $1.5 \mathrm{k} \Omega$, what value of $r_{o n}$ for the input device is required to obtain $V_{O L}=.3 \mathrm{~V}$ ? Figure P14.21 can't copy

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