454Spring08HW3_Solution

454Spring08HW3_Solution - Solution: V s =5V V D =3V V G 2....

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
ECEN 454 Digital Integrated Circuit Design Spring 2008 Homework 3 Solution 1. (5 points) A PMOS transistor is biased as shown in the following figure. The threshold voltage is -2V. Draw an I-V plot (drain current vs. gate voltage) for the PMOS transistor as the gate voltage is varied from 5V to 0V. The reference direction for the drain current is from drain to source. You do not have to be precise in terms of absolute numbers, but you need to properly label all the break points along the x-axis where the PMOS transistor starts to a new region of operation and label all the regions of operations that will be encountered.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Solution: V s =5V V D =3V V G 2. (5 points) Problem 3.13 of the textbook. 3. (5 points) Problem 3.16 of the textbook. 4. (5 points) For problem 3.17 of the textbook, a. Complete 3.17 (b). b. For the same NMOS transistor, compute the total C GS , C GB , C GD and C GG for different regions of operation. You can assume there is no gate-bulk overlap capacitance. Notice that you should include all the capacitance components. Solution: (a) Gate-Drain overlap capacitance: C GD = C ox *L D *W = ( ox / t ox )*L D *W = (3.9 * )*L D *W = 4.314fF (b)...
View Full Document

Page1 / 4

454Spring08HW3_Solution - Solution: V s =5V V D =3V V G 2....

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online