Dr. Farid Farahmand: Sonoma State University

ES 442 (CES 540): Analog & Digital Communications
Instructor: Dr. Farid Farahmand
Spring 2014

    Lecture: Mon. & Wed. 5:30-6:45 pm, Salazar 2009A
    Laboratory: Wed. 7:00-8:45 pm, Salazar 2005
    Office Hours: click here
    Office: Salazar 2010
    Phone: (707) 664-3491
    Email: farid dot farahmand at sonoma dot edu

Course Description: Lecture 2 hours, Laboratory 3 hours. Mathematical modeling of signals, time and frequency domain concepts, spectral density, components of a communications system, analog signal transmission. AM, FM and PM modulation and demodulation techniques, noise and bandwidth, link analysis. Laboratory work.

Prerequisites:ES 230, and ES 400; or consent of instructor.

Course Textbook: Digital and Analog Communication Systems”, 7th Edition, L. Couch, Prentice Hall, 2007, ISBN-13: 9780131424920.

Lecture Topics and Schedule
Day Lecture Reading Material Assignment/Activity Due
1/13 Welcome / Syllabus Read the syllabus carefully.  
1/15 Syllabus / Chapter 1
  • General communication system, noise, signal representation
  • Read Chapter 1; skip Sections 1.8 & 1.11;
Signup for ES 442 Download Piazza - Piazza app is available for smartphone / Bring a folder with your name on it! / Make sure you order the Textbooks / Submit Statement of Ethics /
1/20 MLK Day No Class
1/22 Chapter 2 Signal characteristics, Decibel, rms, phasor, Demo  
1/27 Chapter 1 Fourier Transform Homework 1 -C1&2
1/29 Chapter 2 Fourier Transform problems / Phase angle - Review Quiz /
2/3 Chapter 2 Properties of Signals and Noise, Fourier Transform and Spectra, Power Spectral Density and Autocorrelation Function, Orthogonal Series Representation of Signals and Noise, Fourier Series, Homework 2 -C2 Fourier Transform
2/5 Chapter 2 Fourier Series Of Different Waveforms Quiz /
2/10 Chapter 2- Part 2 Review of Linear Systems, Bandlimited Signals and Noise, Discrete Fourier Transform, Bandwidth of Signals  
2/13 Chapter 2   Quiz /
2/17 Chapter 2 Review - See your notes! Homework 3 - C2 - Filters
2/19 Chapter 4 Complex Envelope Representation of Bandpass Waveforms, Representation of Modulated Signals, Spectrum of Bandpass Signals, Evaluation of Power, Quiz /
2/24 Chapter 4 Bandpass Filtering and Linear Distortion, Bandpass Sampling Theorem, Received Signal Plus Noise, Classification of Filters and Amplifiers, Nonlinear Distortion, More on AM modulation!  
2/26 Chapter 5 - AM Modulation AM Modualtions Quiz /
3/3 Chapter 4   Homework 4 - C4 AM Modualtion
3/5 Chapter 4   Quiz /
3/10 Midterm    
3/12 Chapter 4    
3/17-21 Spring Break No Class
3/24 Angle Modualtion Bessel Function Table  
3/26 Angle Modualtion    
3/31 Cesar Chavez Day No Class
4/2 See Notes   Homework 5 - Angle Modualation
4/7 See Notes   Quiz /
4/9 Chapter 5    
4/14 No Class No Class  
4/16 Chapter 4 - Frequency Demodulators Introduciton to Frequency Demodulators: Frequency Discriminators, Differentiators, First Order Linear PLL Models.  
4/21 Frequency Demodulators PLL - Basic Operation (continued)  
4/23 Receivers (TFR and Superheterodyne)  

Quiz /Homework 6 - Frequency Demodulators

4/28 FM Transmitters and components    
4/30 Devices and blocks   Quiz / Homework 7 - Multipliers and Modulators
5/5 Final Exam    
5/09 Final Project is due    

Make sure you read lab rules!

Laboratory Topics and Schedule
Day Lab Reading Material Assignment/Activity Due
1/15 Syllabus / Lab Policies! Labratory Report Template Watch Matlab Tutorial Video - Read the Matlab Tutorial Manual / Submit the form / Check your boxes
1/22      
1/29    

 

2/5 Lab0-Matlab / Download this file Understanding waveforms and their spectrum/Using matlab to plot signal spectrum  
2/12 Lab1- Basic Measurements Understanding waveforms and their spectrum/Using scope and spectrum analyzer.

Lab0-Matlab - is due. Must write all teh questions and answers. All parts must be clearly marked. All figures must have clear descriptions.

2/19 Lab 2 - BPF and LPF Analysis   Lab1- Basic Measurements - is due
2/26     Lab2 - BPF and LPF Analysis - is due
3/5      
3/12     Lab 3 - AM Modulation
3/21 Spring Break No Class
3/26     Lab 4 - AM Demodulator
4/2      
4/9     Lab 5 - FM Modulation
4/16      
4/23     Lab 6 - FM Demodulator
5/09    

Final Project - (download file1 & file2)

Please refer to these links for more information on different topics.

Support Documents, Resources, and Links
Lecture Related General

Chapter 1(supplementary material):

Chapter 2 (Fourier Transfer)

 

Simulink Tutorial - Balanced Demodulator - FM modulation -