Introduction Introduction
Elements of a Communication System Block diagram of generalized communication system
Basic Terminologies Used in Electronic Communications Systems Transducer, Signal, Noise, Transmitter, Receiver, Attenuation, Amplification, Range, Bandwidth, Modulation, Demodulation, Repeater
Bandwidth of Signals Mention of bandwidth of signals for speech, TV and digital data
Bandwidth of Transmission Medium Mention of bandwidth of transmission medium for coaxial cable, free space and optical fibres
Propagation of Electromagnetic Waves Brief explanation of ground wave, sky wave and space wave
Modulation and its Necessity Need for Modulation
Amplitude Modulation Amplitude modulation: Meaning
Production of Amplitude Modulated Wave Block diagram of AM transmitter.
Detection of Amplitude Modulated Wave Block diagram of AM receiver.