CSVTU B.E. V Semester IT Principles of Communication Systems Syllabus


Semester : V Branch: Information Technology.

Subject: Principles of Communication Systems

UNIT – I : Amplitude Modulation System

Need for Modulation, Amplitude Modulation, Amplitude Modulation Index, Modulation Index for

Sinusoidal AM, Frequency spectrum for Sinusoidal AM, Average power for Sinusoidal AM, Effective

voltage and current for sinusoidal AM, Balanced Modulator, The Square law demodulator,

Nonsinusoidal modulation, DSBSC Modulation, SSB modulation and generation, VSB, FDM.

UNIT – II : Angle Modulation System

Phase and frequency modulation and their relationship. Frequency deviation, spectrum of FM Signal,

BW of FM Signal, Effect of modulation on BW, constant BW, FM phasor diagram, Narrow band F.M.

Armstrong and Parameter variation methods of FM generation and FM demodulators.

UNIT – III : Digital Communication

Sampling theorem, Pulse Modulation: PAM, PPM, PWM. Quantization of Signals, Quantization error,

Pulse Code Modulation (PCM) and the system, Time division multiplexing (TDM), DPCM, DM,


UNIT – IV : Elements of Information Theory

Average Information, Entropy, Information Rate. Communication Channel. Discrete and Continuous

channel, Shannon-Hartley Theorem and its Implications, Channel capacity, Gaussian channel.

Bandwidth s/N trade off.

UNIT – V : Advanced Communication Techniques

Satellite Communication: Components and Block diagram of Satellite communication system,

Transponders, Up-link and Down-link budget calculations.

Fiber Optic Communication: Principles of light propagation in optical fiber, Losses in fibers, Dispersion,

Connectors and splices, Fiber optic communication link.

Text Book:

1. Electronic Communications by Roddy & Coolen, PHI.

2. Electronic Communication System by Kenedy & Davis, TMH

Reference Books:

1. Principles of Communication system by H.Taub and K.L. Shiling.

2. An Introduction to the Principle of Communication Theory by J.C. Hancock,Mc-Graw Hill.

3. Signal Processing, Modulation and Noise -by Betts, English University Press,London.

4. Communication

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