Course Name: Principles of Electric Circuits A(1)

Course Number: 20220174

Program: Undergraduate program

Type: Required

Credits: 4

Term Offered: Spring

Prerequisite(s): Physics, Linear Algebra, Differential Equations

Instructor(s): Wenjuan Lu, Xiucheng Liu

Textbook(s):

Jiguang Jiang and Xiucheng Liu, Principles of Electric Circuits 2nd, Tsinghua University Press, 2007. (in Chinese)

Reference(s):

Anant Agarwal and Jeffrey H. Lang, Foundations of Analog and Digital Electronic Circuits, Morgan Kaufmann, 2005.

James Nilson and Susan Riedel. Electric Circuits (8th Edition), Prentice Hall，2007.

Charles Alexander and Matthew Sadiku，Fundamentals of Electric Circuits (3rd Edition), McGraw-Hill, 2007.

Richard Dorf and James Svoboda. Introduction to Electric Circuits (6th Edition). John Wiley & Son, 2004.

William Hayt Jr., Jack Kemmerly, and Steven Durbin. Engineering Circuit Analysis (7th Edition). McGraw-Hill,2007.

Course Description:

The course is about the foundation of electric circuit theory, analysis methods for electric circuits, key terminologies of electrical engineering, and substantial ideas as electrical engineers. It covers the scale of time-invariant lumped circuits, including resistive circuits, sinusoidal steady state circuits, periodical steady state analysis of dynamic circuits. Its main concerns are about linear circuits while nonlinear resistive circuits are introduced in-depth. The Magnetic circuits are also introduced.

Course Objectives and Outcomes:

Numbers in brackets are linked to department educational outcomes

1.Students should skillfully master the methods for analyzing various circuits. [1, 2]

2.Students are in touch with the current circuits elements, such as Op Amps. [10]

3.Students are familiar with a certain number of terminologies, which will be used repeatedly in the successive learning and studying. [5]

4.Students are familiar with various intuitive ideas in electrical engineering, e.g. equivalent transform perspective, abstract perspective, and engineering approximation perspective [3, 5, 11]

Course Topics:

1.Introduction to electric circuits. The concept of voltage, current, power, terminal, port, rms value.

2.Resistor model, independent and dependent source, Kirchhoff current and voltage laws, equivalent transform of resistor and resource.

3.Branch current method, loop current method and node voltage method.

4.Superposition theorem, substitution principle, Thevenin’s and Norton’s theorem, Tellegen’s theorem, reciprocal theorem, principle of duality.

5.Op Amp model and the analysis of negative feedback ideal Op Amp circuits.

6.Nonlinear resistive circuits analysis, mainly on piecewise linear method and incremental method.

7.Capacitor model and inductor model.

8.Sinusoids, phasor, impedance, and admittance. The phasor method for sinusoidal steady state (SSS) circuits. Power in SSS circuits.

9.Mutual inductance and transformer.

10.Resonance and quality factor.

11.Frequency response of dynamic circuits.

12.Three-phase circuits, mainly on balanced three-phase circuits.

13.Periodical (non-sinusoidal) steady state analysis of dynamic circuits.

14.Basis of network graph theory.

15.Magnetic circuits.

Experiment(s): Offered by another course “Experiments for Principles of Electric Circuits” (20220162)

Project(s):

Sensitivity Analysis of Electric Circuits

Understand the concept of sensitivity analysis, use electric circuits simulation software to analyze the sensitivity of circuits.

Design and Implement the Noninverting Amplifier and Summing Amplifier by Op Amps

Use knowledge learned in positive feedback Op Amps to design and implement the noninverting amplifier and summing amplifier with circuit simulation software.

Analysis of frequency response of dynamic circuits. Design and Implement sinusoidal signal generator.

Use knowledge learned in sinusoidal steady state circuit analysis and negative feedback Op Amps to design and implement the sinusoidal signal generator.

Course Assessment:

Homework measures, 12 points.

Simulation project measures, 3 points.

Mid-term exam score, 25 points.

Final exam score, 60 points.