Catalog Data 
ECEN 2260 (3). Circuits as Systems.
Continues basic circuit analysis of ECEN 2250: Laplace transform
techniques, transfer functions, frequency response, Bode diagrams,
resonant circuits, Fourier series expansions, and convolution. 
Credits and Design 
3 credit hours. Required core course. 
Prerequisite(s) 
ECEN 2250,
Introduction to Circuits & Electronics
APPM 2360,
Introduction to Differential Equations with Linear Algebra. 
Corequisite(s) 
none. 
Instructor(s) 
Robert Erickson, Albin Gasiewski, Harry Hilgers,
Michael Lightner, Peter Mathys. 
Textbook 
Roland E. Thomas, Albert J. Rosa, and Gregory J. Toussaint,
The Analysis and Design of Linear Circuits, 6th Edition,
John Wiley & Sons, Inc., 2009, ISBN13 9780470383308. 
 

Course Objectives 
For students to:
 Understand the fundamental difference between first and second
order circuits and how to decompose higher order circuits.
 Understand how to use transformations to analyze, design, and
characterize linear networks and systems.
 Understand how to specify, design, and analyze filters in the
time and frequency domains.

Learning Outcomes 
After taking this course students will be able to recognize and use
the following concepts, ideas, and/or tools:
 Transformations as tools, including Laplace
transform, sdomain circuit analysis, and Fourier
series.
 Network system functions for first and
second order systems, including poles and zeros, and unit impulse
responses.
 Frequency domain design/analysis, including
frequency responses, Bode plots, and filter specifications.
 Circuit analysis and design tools, including
LTspice and Matlab.

Student Outcomes Addressed 
3a 
3b 
3c 
3d 
3e 
3f 
3g1 
3g2 
3h 
3i 
3j 
3k 
Math /Sci 
Exper iments 
Design 
Teams 
Engr Problems 
Respon sibility 
Oral 
Written 
Engr Solns Impact 
LL Learning 
Contem porary 
Tools 
H 
M 
M 

M 






M 

Topics Covered 
 Introduction
 Second order circuits
 Signal waveforms and Laplace transforms
 Laplace transform pairs and properties
 Poles and zeros
 Inverse Laplace transforms
 Circuit analysis in the sdomain
 Nodevoltage analysis in the sdomain
 Introduction to capacitors and inductors
 Network/system functions
 Impulse and step response
 Sinusoidal stedystate response
 Phase and magnitude of frequency response
 Bode plots
 Lowpass and highpass filters
 Bandpass and bandstop filters
 Frequency response and step response
 Fourier series
 Fourier transform
 Impulse response and convolution
 Active filter design
