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Signals and their representations : Fourier
series, Fourier transform, continuous spectra, frequency selectivenetworks and
transformers.Basic Information Theory.Information , entropy of discrete systems,
rate of transmission, redundancy, efficiency and channel capacity. Amplitude Modulation : Frequency spectrum,
power relations, basic requirements and description of various modulators,
comparison. DSB, DSBSC, SSB, VSB, spectrum modulators and detectors. Frequency Modulation : Frequency spectrum
of FM, phase modulation, effect of noise, generation of FM and demodulators. Pulse Modulation : Sampling theorem, low
pass and band pass signals, elements of PAM, PWM, PPM, PCM and Delta Modulation.
FDM,TDM. A.M. and FM radio transmitters and receivers. Characteristics, block diagrams. |
<<©2002 Samsoft Technologies>>
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