Download Now [PDF] EC8491 COMMUNICATION THEORY Lecture Notes, Books, Important 2 Marks Question and Answers, 16 Mark Question with Answers, Syllabus & Question Bank

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EC8491 COMMUNICATION THEORY Lecture Notes Download

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EC8491 COMMUNICATION THEORY Lecture Notes Download EC8491 COMMUNICATION THEORY Lecture Notes Download
Department  Electronics Communication Engineering
Year 2nd Year
Semester 4th Semester
University Anna University
Regulation  R2017
Subject Code EC8491
Subject Name COMMUNICATION THEORY
Download File EC8491 COMMUNICATION THEORY Lecture Notes, Books, Important 2 Marks Question and Answers, 16 Mark Question with Answers, Syllabus & Question Bank

 

 

EC8491 COMMUNICATION THEORY Syllabus

UNIT I AMPLITUDE MODULATION
Amplitude Modulation- DSBSC, DSBFC, SSB, VSB – Modulation index, Spectra, Power relations and Bandwidth – AM Generation – Square law and Switching modulator, DSBSC Generation – Balanced and Ring Modulator, SSB Generation – Filter, Phase Shift and Third Methods, VSB Generation – Filter Method, Hilbert Transform, Pre-envelope & complex envelope –comparison of different AM techniques, Superheterodyne Receiver

UNIT II ANGLE MODULATION
Phase and frequency modulation, Narrow Band and Wide band FM – Modulation index, Spectra, Power relations and Transmission Bandwidth – FM modulation –Direct and Indirect methods, FM Demodulation – FM to AM conversion, FM Discriminator – PLL as FM Demodulator.

UNIT III RANDOM PROCESS
Random variables, Random Process, Stationary Processes, Mean, Correlation & Covariance functions, Power Spectral Density, Ergodic Processes, Gaussian Process, Transmission of a Random Process Through a LTI filter.

UNIT IV NOISE CHARACTERIZATION
Noise sources – Noise figure, noise temperature and noise bandwidth – Noise in cascaded systems. Representation of Narrow band noise –In-phase and quadrature, Envelope and Phase – Noise performance analysis in AM & FM systems – Threshold effect, Pre-emphasis and de- emphasis for FM.

UNIT V SAMPLING & QUANTIZATION
Low pass sampling – Aliasing- Signal Reconstruction-Quantization – Uniform & non-uniform quantization – quantization noise – Logarithmic Companding –PAM, PPM, PWM, PCM – TDM, FDM.

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EC8491 COMMUNICATION THEORY Notes ( UNIT 1 – UNIT 5) – Download

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EC8491 COMMUNICATION THEORY 2 Mark Question With Answers

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