ES 442 (CES 540): Analog & Digital Communications
Instructor: Dr. Farid Farahmand
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.
|Day||Lecture||Reading Material / Topics to Be Covered||Assignment/Activity Due|
|1/21||Welcome / Syllabus||Read the syllabus carefully.|
|1/26||Syllabus / Chapter 1||
|1/28||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.|
|2/2||Chapter 2 -Part A||
Topics: Time Average , Dc Value, Power, Instantaneous Power, Average Power, RMS, Normalized Power, Energy And Power Waveforms, Decibel, dBm And dB and dBW, Signal-to-noise Ratio, Phasor Representation
Topics: System definition, Fourier Series, introduction to Fourer Transform. Review of Linear Systems, Bandlimited Signals and Noise, Discrete Fourier Transform, Bandwidth of Signals; Linear & Non-linear devices
|2/9||Chapter 2||Continued....||Quiz /Homework 1 -C1&2 Signal Characterisitcs|
Topics: Fourier Transfer, Examples & Properties - (See tutorials below)
|2/16||Topics: Fourier Transfer, Examples & Properties - (See tutorials below) - continued; Power Spectral Density; Auto-correlation, Orthogonal Functions.||Quiz - Homework 1B- C2 Fourier Series.|
|2/23||Chapter 2- Part 2||Topics: LTI System characterization, LTI transfer function, Distortionless, Group delay, Phase delay, DFT, FFT||Quiz /Homework 2 -C2 Fourier Transform|
|2/25||System Example: Filters & Transmission lines||Topics: Review of transmission lines, Tranfer function of diffentent cables.||
Homework 3 - C2 - Filters - Nothing to submit.
|3/2||Chapter 5 - AM Modulation||Bandpass Filtering and Linear Distortion, Bandpass Sampling Theorem, Received Signal Plus Noise, Classification of Filters and Amplifiers, Nonlinear Distortion, More on AM modulation!|
|3/11||Chapter 5 - AM Modulation||Some AM Problem Example|
|3/16-18||Spring Break||No Class||No Class|
|3/23||Chapter 5 - AM Modulation|
|4/13||Angle Modualtion||Notes/Examples on Bessel Function|
|4/20||Chapter 4 - Frequency Demodulators||Introduciton to Frequency Demodulators: Frequency Discriminators, Differentiators, First Order Linear PLL Models.||Quiz Homework 5 - Frequency Demodulators|
|4/27||Frequency Demodulators PLL - Basic Operation (continued)|
|4/29||Receivers (TFR and Superheterodyne)|
|5/4||z||Quiz/ Homework 6 - Multipliers and Modulators|
|5/6||Devices and blocks||Final Project - ask your instructor for parts. Read the notes.|
|**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!
|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|
|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|
|8||Lab 3 - AM Modulation|
|9||Spring Break||No Class|
|10||Lab 4 - AM Demodulator|
|12||Lab 5 - FM Modulation|
|14||Lab 6 - FM Demodulator|
Please refer to these links for more information on different topics.
Chapter 1(supplementary material):
Chapter 2 (Fourier Transfer)
|Simulink Tutorial - Balanced Demodulator - FM modulation -||Secure Resources|