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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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