ECE220

Basic Circuits
Fall, Spring
Designation: 
Required for ECE
Catalog Data: 

ECE 220 -- Basic Circuits  (5 units)
Description:  Elementary, transient and sinusoidal analysis of linear circuits with laboratory. Topics include: passive sign convention, mesh and node analysis, Thevenin equivalents, op-amps, capacitance, inductance, first and second order circuits, phasors, impedance, transformers, PSpice simulation software.


Grading:  Regular grades are awarded for this course: A B C D E.


Typical structure:  4 hours lecture, 1 hour discussion, 3 hours laboratory.

Special exam:  course may be taken by special exam for credit (not for grade)

Usually offered:  Fall, Spring.

Prerequisite(s): 
MATH 129 and PHYS 241. Prerequisite or concurrent enrollment in MATH 254.
Textbook(s): 

Ninth Edition of Electric Circuits, by James W. Nilsson and Susan A. Riedel, Prentice Hall, 2011.

Course Learning Outcomes: 

By the end of this course, the student will be able to:

  1. apply knowledge, of mathematics, science and engineering
  2. design and conduct experiments, as well as to analyze and interpret data
  3. identify, formulate, and solve engineering problems
  4. communicate effectively (in writing)
  5. use the techniques, skills, and modern engineering tools necessary for engineering practice
Course Topics: 

The numbers in parentheses indicate approximate number of lectures devoted to the topics listed.

  • Chapter 1 - Circuit Variables (2) - Overview of electrical engineering and circuit analysis, voltage and current, the ideal basic circuit element, reference directions, power and energy.
  • Chapter 2 - Circuit Elements (3) - Voltage and current sources, electrical resistance and Ohm's law, construction of a circuit model, Kirchhoff's laws, and dependent sources.
  • Chapter 3 - Simple Resistive Circuits (4)- Resistors in series and in parallel, the voltage-divider circuit, the current-divider circuit, measuring voltage and current, the Wheatstone bridge, Delta-Wye equivalent circuits.
  • Chapter 4 - Techniques of Circuit Analysis (13) - Introduction to the node-voltage method, node-voltage analysis with dependent sources, some special cases; introduction to mesh currents, mesh current analysis with dependent sources, some special cases; the node-voltage method versus the mesh current method; source transformations, Thevenin and Norton equivalent circuits; maximum power transfer; superposition.
  • Chapter 5 - The Operational Amplifier (8) - Operational amplifier terminals; terminal voltages and currents; inverting, summing, non-inverting, difference, comparators and integrating amplifier circuits.
  • Chapter 6 - Inductance, Capacitance, Mutual Inductance (4) - Properties of the inductor, properties of the capacitor, series and parallel combinations of inductance and capacitance, mutual inductance.
  • Chapter 7 - Response of First-Order RL and RC Circuits (6)- Natural response of RL and RC circuits, step response of RL and RC circuits, a general solution for step and natural responses, sequential switching, unbounded response.
  • Chapter 8 - Natural and Step Responses of RLC Circuits (6) - Natural and step responses of a parallel RLC circuit, natural and step responses of a series RLC circuit.
  • Chapter 9 - Sinusoidal Steady-State Analysis (10) - Sinusoidal sources and response, phasors, impedance and admittance, series-parallel and Delta-Wye simplifications, source transformations and Thevenin-Norton equivalents, node and mesh analysis, transfer functions, ideal transformers, impedance matching, phasor diagrams.
Class/Laboratory Schedule: 

There will be four one-hour lectures per week.
There will be one one-hour discussion period per week.
There will be six three-hour lab sections spread throughout the semester.

Relationship to Student Outcomes: 

a) an ability to apply knowledge of mathematics, science, and engineering (High)
b) an ability to design and conduct experiments, as well as to analyze and interpret data (Medium)
e) an ability to identify, formulate, and solve engineering problems (Medium)
g) an ability to communicate effectively (Low)
k) an ability to use the techniques, skills, and modern engineering tools necessary for engineering practice. (Low)

Prepared by: 
Dr. Michael Marcellin and Dr. Elmer Grubbs
Prepared Date: 
1/1/13

University of Arizona College of Engineering