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ETEG 302

ETEG 302                              ANALOG COMMUNICATIONS                                   3 Credits

Objective: To provide an understanding of the essentials modern analog communications systems. This course builds on the theory introduced in signal and systems and complements the course Digital Communication.


Review of Signal Properties, Fourier Transforms and Linear Systems

Communication Channels Overview: Free space, wire, cable waveguide and fiber, telephone and data channels

Linear Modulation: Modulation properties, AM and DSBSC modulation, demodulators and detectors-square law, synchronous demodulation, carrier recovery techniques, SSBSC modulation and demodulation, VSB modulation and applications, noise in AM broadcast techniques, AM stereo transmitter and receiver topologies

Angle Modulation: Instantaneous frequency and Bessel functions, frequency modulation and narrowband FM, modulator configurations, demodulators, discriminators, PLL discrete and IC, pre-emphasis, de-emphasis, threshold effect, noise and SNR in FM systems, FM receivers and FM stereo

Noise in Communication Systems: Mathematical representation in the time and frequency domain, I and Q components of noise, noise in linear and angle modulation systems

Television Systems: TV transmitters and receivers-principles of operation, television signals and bandwidth requirements, TV cameras, positive and negative modulation, essentials of the PAL colour system, introduction to HDTV


  1. H. Taub and D.L. Schilling, Principles of Communications Systems, McGraw Hill 1986
  2. B.P. Lathi, Modern Analog and Digital Communication Systems, 2nd Ed
  3. George Kennedy, Electronic Communications System 3rd Ed., Tata McGraw Hill
  4. Roddy & Coolen, Communication Systems, PHI

Course of Study

Course of Study

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Project Page



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