ECE 232-101 – Circuits and Systems II

Description

This course focuses on the dynamical behavior of passive circuits and linear time-invariant systems. Topics include time-domain analysis of RLC circuits, Laplace transform analysis, transfer functions, impulse response, convolution, frequency response, Bode diagrams, and filters.

Prerequisites

Prerequisite: ECE 231. Corequisite: Math 222.

Instructors

Dr. Osvaldo Simeone
Email: osvaldo.simeone@njit.edu
Phone: (973) 596-5710
Office: 211 ECE Dept. 
Office Hours: Wednesday 2-6pm or any other time by appointment

TA: Ali Mohammad Fouladgar
Email: af82@njit.edu, Phone: (973) 596-5659
Office: CWCSPR, FMH. 

Textbooks

J.W. Nilsson and S. A. Riedel, Electric circuits, 9th Edition, Pearson. ISBN 0136114997

Requirements and Grading

There will three tests (40%), one midterm (30%) plus final (30%). Problems will be assigned weekly, but are not graded. There are no make-up exams.

Announcements

Spring 2010

-         Solutions and grades of test 1 are posted.

-         Solutions and grades of the midterm are posted.

-         Solutions and grades of test 2 are posted.

-         Solutions and grades of test 3 are posted.

-          Solutions of the final and final grades are posted (conversion table for final grade: A (9-10), B+ (8-9), B (7-8), C+ (6-7), C (5.5-6), D (5-5.5), F (<5); only the two best tests have been considered; missing grades have been considered equal to the worst grade)

Fall 2010

-         Solutions of test 1 are posted.

-         Solutions of the midterm are posted.

-         Solutions of test 2 are posted.

-         Solutions of test 3 are posted.

-         Solutions of the final are posted.

Spring 2011

-         Solutions of test 1 are posted.

-         Solutions of the midterm are posted.

-         Solutions of test 2 are posted.

-         Solutions of test 3 are posted.

-         Solutions of the final are posted.

Fall 2011

-         Solutions of test 1 are posted.

-         Solutions of the midterm are posted.

-         Solutions of test 2 are posted.

-         Solutions of test 3 are posted.

-         Solutions of the final are posted.

Spring 2012

-         Solutions of test 1 are posted.

-         Solutions of the midterm are posted.

-         Solutions of the midterm are posted.

-         Solutions of test 2 are posted.

-         Solutions of test 3 are posted.

-         Solutions of the final are posted.

Spring 2012: Tentative schedule

Week

Topics

Class

Suggested Problems

1

Jan 20 

RL & RC transients

 

Math test 

Sections: 6.1, 6.2, 7.1 (8th and 9th eds)

 

 

Ex: 7.1 (8th and 9th eds)

 

A: 7.1, 7.2 (8th and 9th eds)

 

P: 7.3, 7.5, 7.7 (9th ed)

P: 7.1 , 7.3, 7.7 (8th ed)

(solution with 8th ed numbering)

2

Jan 27

 

RL & RC transients

Sections: 7.2, 7.3, 7.4 (8th and 9th eds)

 

 

Ex: 7.2-7.9 (8th and 9th eds)

 

A: 7.2-7.6 (8th and 9th eds)

 

P: 7.39, 7.45, 7.23, 7.21, 7.32, 7.56, 7.64 (9th ed)

P: 7.38, 7.46, 7.21, 7.22, 7.31, 7.54, 7.63 (8th ed)

(solution with 8th ed numbering)

3

Feb 3

 

RLC transients

 

 

Sections: 7.5, 8.1, 8.2

(only overdamped) (8th and 9th eds)

 

 

Ex: 8.1 - 8.3 (8th and 9th eds)

 

A: 8.1 – 8.5 (8th and 9th eds)

 

P: 7.74, 7.80, 7.81, 7.82, 8.1, 8.11, 8.2 (9th ed)

P: 7.71, 7.80, 7.81, 7.82, 8.1, 8.5, 8.6 (8th ed)
(solution 1, solutions 2 with 8th ed numbering)

4

Feb 10

 

RLC Transients

 

TEST 1

Sections: 8.2, 8.3 (8th and 9th eds)

 

 

Ex: 8.4-10 (8th and 9th eds)

 

A: 8.6 (8th and 9th eds)

 

P: 8.3, 8.29, 8.34, 8.36 (9th ed)

P: 8.8, 8.25, 8.28, 8.32 (8th ed)

(solutions with 8th ed numbering)

5

Feb 17

 

RLC Transients

 

Introduction to Laplace analysis
 

Sections: 8.2, 8.3, 8.4, 12.2, 12.3 (8th and 9th eds)

 

 

Ex:  8.11-8.12, 12.1 (8th and 9th eds)

 

A: 8.7, 8.8, 12.1 (8th and 9th eds)

 

 

P: 12.1, 12.3, 12.4, 12.9, 8.50, 8.49 (9th)

P:  12.3, 12.1, 12.4, 12.6, 8.45, 8.50 (8th ed)

(solutions with 8th ed numbering)

6

Feb 24

 

Laplace Transform

Sections: 12.4-12.5 (both 8th and 9th eds)

 

 

A: 12.2 (8th and 9th eds)

P: 12.17, 12.20, 12.14, 12.19 (9th ed)
P: 12.13, 12.14, 12.18, 12.21 (8th ed)

(solutions with 8th ed numbering)

7

Mar 2

 

 

MIDTERM

 

 

 

8

Mar 9

Laplace transform analysis

Sections: 12.6, 12.8, 13.1, 13.2, 13.4 (both 8th and 9th eds)

 

 

Ex.: 13.1, 13.2 (8th and 9th eds)

A: 12.3, 12.4, 12.5, 13.1-13.5 (8th and 9th eds)

P: 13.7, 13.15, 13.25, 13.34, 13.50 (9th ed)


P: 13.8, 13.20, 13.24, 13.35, 13.49 (8th ed) (solutions with 8th ed numbering)

9

Mar 23

Laplace transform analysis

 

Sections: 13.5, 12.7 (distinct real roots) (both 8th and 9th eds)

 

 

A: 13.7, 13.8 (8th and 9th eds)

P: 13.6, 13.9, 13.11, 13.15, 13.16, 13.23 (9th ed)

 

P: 13.6, 13.9, 13.13, 13.20, 13.21, 13.24 (8th ed) (solutions with 8th ed numbering)

 

10
Mar 30

 

Impulse response, convolution integral and frequency response

 

TEST 2

Sections: 12.7 (distinct complex roots), 13.5, 13.6 (both 8th and 9th eds)

 

 

 

Ex.: 13.1, 13.2, 13.3 (8th and 9th eds)

 

A: 12.5, 13.4, 13.10, 13.11 (8th and 9th eds)

 

P: 12.40, 13.25, 13.34, 13.50, 13.57, 13.60, 13.61, 13.67 (9th ed)

 

P: 12.40, 13.24, 13.35, 13.49, 13.55, 13.59, 13.60, 13.61 (8th ed)

(solutions with 8th ed numbering)

11

Apr 13

 

Frequency-selective circuits

Sections: 13.7, 14.1 (8th and 9th eds)

 

 

 

Ex.: 13.4 (8th and 9th eds)

 

A: 13.12 (8th and 9th eds)

 

P: 13.77, 13.78 (9th ed)

P: 13.74, 13.77 (8th ed)

(solutions)

12

Apr 20

Frequency-selective circuits

(high and low-pass filters)

 

 

Sections: 14.1, 14.2, 14.3 (8th and 9th eds)

 

 

 

 

 

Ex:  14.1, 14.2, 14.3, 14.4 (8th and 9th eds)

 

A: 14.1, 14.2, 14.3, 14.4, 14.5 (8th and 9th eds)

 

P: 14.1, 14.2, 14.3, 14.4, 14.7, 14.10, 14.11, 14.12 (9th ed)

P: 14.1, 14.2, 14.3, 14.4, 14.5, 14.10, 14.11, 14.14 (8th ed)

(solutions 1, solutions 2)

13

Apr 27

Frequency-selective circuits

 

Bode plots

 

TEST 3

Appendix E.1, E.2, E.3

(8th and 9th eds)

 

 

Ex: E.1

(8th and 9th eds)

 

 

14

May 1

Frequency-selective circuits

 

 

Sections: 14.4, 14.5

 

 

Ex: 14.5, 14.6, 14.7, 14.8 (8th and 9th eds)

 

A: 14.6, 14.7, 14.8, 14.9,

14.10, 14.11 (8th and 9th eds)

 

 

P: 14.18, 14.34, 14.27, 14.24, 14.25, 14.26, 14.27, 14.31, 14.34, 14.39, 14.40, 14.41 (9th ed)

P: 14.18, 14.25, 14.26, 14.27, 14.29, 14.32, 14.36, 14.37, 14.38 (8th ed)

(solutions, solutions)

 

FINAL

 

 

  

 

R = Recitation (problems solved in class),

Ex = Examples (in the body of each chapter, with detailed solutions),

A = Assessment problems (in the body of each chapter , with answers),

P = Problems (at the end of each chapter)

 

A conversion table between 8th and 9th edition can be found here.

(Note that some problems in 8th and 9th eds have different numerical values)

 

Links

·       Thevenin, Norton

·       Neper

·       Laplace

·       The joy of convolution

·       Fourier

NJIT Honor Code

The NJIT Honor Code will be upheld, and any violation will be brought to the immediate attention of the Dean of Students.

 

Changes in the syllabus might be possible. Students will be informed of those changes in the class announcements and on the web.