## EE 212: Circuits & Signals II

Instructor: Kevin Wedeward, office: Workman 221, phone: 835-5708, e-mail: wedeward@ee.nmt.edu, web-page: www.ee.nmt.edu/~wedeward/

Class Time/Place: MWF 10:00am-10:50am in Speare 113

Office Hours: MWF 09:00am-10:00am, 11:00am-12:00pm

Textbook: Engineering Circuit Analysis, 7th Edition, by William H. Hayt, Jack Kemmerly, and Steven M. Durbin

Prerequisite: EE 211 (Circuits and Signals I)

Corequisite: EE 212L (Circuits and Signals II Lab)

Objective: Build upon those concepts presented in EE 211 for time-domain analysis of linear circuits and gain an understanding of

• single-phase and three-phase circuits in sinusoidal steady-state, and
• frequency-domain techniques (Laplace Transform, Fourier Series and Fourier Transform) for circuit analysis.

Topics: Chapters 10-18 of textbook

• Homework: 15%
• In general, homework will be assigned weekly.
• Collaboration is encouraged, but the work turned in must be your own.
• Three exams: 60%
• Final exam: 25%
• scheduled for Tuesday 05/13/08 at 1:30 pm in Speare 113

• Chapter 10, Appendices 5 and 6 (01/23/2008)
• Chapter 11 (02/06/2008)
• Chapter 12 (03/03/2008)
• Chapter 13 (03/07/2008)
• Chapter 14 (03/18/2008)
• Chapter 15 (04/04/2008)
• Chapter 16 (04/14/2008)
• Chapter 18 (04/30/2008)

• Self study material and answers to odd-numbered problems can be found here.
• Rose-Hulman Institute of Technology created a free on-line database (CLEO) of circuit problems and solutions. Have a look at it here.

Homework:

• Homework 1 due Beginning Of Class (BOC) W 01/30/2008: Chapter 10 Exercises 1, 6 (also plot sinusoids w/Matlab to confirm answers, use different line types to distinguish sinusoids and subplot to get all four parts in one figure), 7 (also plot sinusoids w/Matlab to confirm answers, use different line types to distinguish sinusoids and subplot to get all four parts in one figure), 8, 22 (also plot answers in complex plane using Matlab - use same figure and label answers), 23 (also plot answers in complex plane using Matlab - use same figure and label answers)
• Homework 2 due BOC F 02/08/08: Chapter 10 Exercises 31, 35, 37, 40, 41
• Homework 3 due BOC F 02/15/08: Chapter 10 Exercises 63, 64, 76, 80, 81
• Homework 4 due BOC F 02/22/08: Chapter 11 Exercises 11, 12, 20, 27, 28 (find eff & avg value), 41
• Homework 5 due BOC F 03/07/08: Chapter 11 Exercises 45, 46, 49, 50, 54
• Homework 6 due BOC W 03/19/08: Chapter 12 Exercises 15, 17, 20, 34
• Homework 7 due BOC F 03/28/08: Chapter 13 Exercises 9, 15, 19, 50, 51
• Homework 8 due BOC F 04/04/08: Chapter 14 Exercises 18, 19, 24, 25
• Homework 9 due BOC F 04/11/08: Chapter 14 Exercises 41, 43, 47, 48; ILT{(s-1)/(s^2+6s+25)}, ILT{12s/(s+3)(s^2+9)}
• Homework 10 due BOC F 04/18/08: Chapter 15 Exercises 6, 11, 14a, 15, 40
• Homework 11 due BOC W 04/23/08: Chapter 16 Exercises 55, 56a, 62; for 56a and 62 sketch bode plots, plot |H|, /_H versus linear frequency axis w/Matlab, and HdB, /_H versus logarithmic frequency axis w/Matlab
• Homework 12 due BOC F 05/02/08: Chapter 16 Exercises 1 (|V| vs. f), 30, 56b, 60, 61; for Bode Diagram problems sketch magnitude and phase response, and plot magnitude and phase response on both linear and logarithmic axes using Matlab
• Homework 13 due BOC F 05/09/08: Chapter 18 Exercises 12, 25, 28, 29

Examples:

1. Example 1: Complex Number Calculations and Plots in Matlab (Interactive)
2. Example 2: Complex Number Calculations and Plots in Matlab (M-file)
3. Example 3: Plotting Sinusoids and using Subplot in Matlab (M-file)
4. Example 4: Plotting Frequency Response by Multiple Methods using Matlab (M-file)
5. Example 5: Plotting Frequency Response of 10(s+10)/(s+50) using Matlab (Interactive)
6. Example 6: Plotting Trigonometric Fourier Series using Matlab