Dr. Farid Farahmand: Sonoma State University

ES 442 (CES 540): Analog & Digital Communications
Instructor: Dr. Farid Farahmand
Spring 2015

    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
1/21 Welcome / Syllabus Read the syllabus carefully.  
1/26 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 / A Folder for all the assignments.
1/28 Chapter 2 Signal characteristics, Decibel, rms, phasor, Demo  
2/2 Chapter 1 Fourier Transform Homework 1 -C1&2
1/4 Chapter 2 Fourier Transform problems / Phase angle - Review Quiz /
2/9 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
2/11 Chapter 2 Fourier Series Of Different Waveforms Quiz /
2/16 Chapter 2- Part 2 Review of Linear Systems, Bandlimited Signals and Noise, Discrete Fourier Transform, Bandwidth of Signals  
2/18 Chapter 2   Quiz /
2/23 Chapter 2 Review - See your notes! Homework 3 - C2 - Filters
2/25 Chapter 4 Complex Envelope Representation of Bandpass Waveforms, Representation of Modulated Signals, Spectrum of Bandpass Signals, Evaluation of Power, Quiz /
3/2 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!  
**3/4 Midterm Up Midterm Midterm
3/9 Chapter 5 - AM Modulation AM Modualtions Homework 4 - C4 AM Modualtion
3/11 Chapter 4   Quiz /
3/16-18 Spring Break No Class No Class
3/23 Angle Modualtion Bessel Function Table  
3/25 Angle Modualtion    
3/30 See Notes   Homework 5 - Angle Modualation
4/1 Chapter 5   Quiz /
4/6 No Class No Class  
4/8 Chapter 4 - Frequency Demodulators Introduciton to Frequency Demodulators: Frequency Discriminators, Differentiators, First Order Linear PLL Models.  
4/13 Frequency Demodulators PLL - Basic Operation (continued)  
4/15 Receivers (TFR and Superheterodyne)  

Quiz /Homework 6 - Frequency Demodulators

4/20 FM Transmitters and components    
4/22 Devices and blocks   Quiz / Homework 7 - Multipliers and Modulators
4/27      
4/29      
5/4      
5/6     Project - (download file1 & file2)
**5/13 Final Exam / Submit class evaluation form   In order to be able to take the final exam you are required to bring a snapshot of your Moodle indicating that you have completed the class evaluations.

Make sure you read lab rules!

Laboratory Topics and Schedule
Wk. Lab Reading Material Assignment/Activity Due
0 Syllabus / Lab Policies! Labratory Report Template Watch Matlab Tutorial Video - Read the Matlab Tutorial Manual / Submit the form / Check your boxes
1      
2    

 

3 Lab0-Matlab / Download this file Understanding waveforms and their spectrum/Using matlab to plot signal spectrum  
4 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.

5 Lab 2 - BPF and LPF Analysis   Lab1- Basic Measurements - is due
6     Lab2 - BPF and LPF Analysis - is due
7      
8     Lab 3 - AM Modulation
9 Spring Break No Class
10     Lab 4 - AM Demodulator
11      
12     Lab 5 - FM Modulation
13      
14     Lab 6 - FM Demodulator

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 -