|Number of Pages||400|
Unit - I Amplitude Modulation (Chapter - 1)
Generation and detection of AM wave spectra-DSBSC, Hilbert transform, Pre-envelope and complex envelope - SSB and VSB - Comparison - Superheterodyne receiver.
Unit - II Angle Modulation (Chapter - 2)
Phase and frquency modulation - Narrow band and wind band FM - Spectrum - FM modulation and demodulation - FM discriminator - PLL as FM demodulator - Transmission bandwidth.
Unit - III Random Process (Chapter - 3)
Random variables, Central limit theorem, Random process, Stationary processes, Mean, Correlation and covariance functions, Power spectral density, Ergodic processes, Gaussian process, Transmission of a random process through a LTI filter.
Unit - IV Noise Characterization (Chapter - 4)
Noise sources and types - Noise figure and noise temperature - Noise in cascaded systems. Narrow band noise - PSD of in phase and quadrature noise - Noise performance in AM systems - Noise performance in FM systems - Pre - emphasis and de-emphasis - Capture effect, Threshold effect.
Unit - V Information Theory (Chapter - 5)
Entropy - Discrete memoryless channels, Channel capacity - Hartley - Shannon law - Source coding theorem - Huffman and Shannon - Fano codes.