1. Modulation:
Need for modulation, Frequency spectrum of non-sinusoidal waves. Amplitude modulation
theory. Generation of AM using, Grid modulated and plate modulated class C amplifier,
modulated transistor amplifier.
Frequency modulation, Phase modulation, Generation of FM, Direct methods.
2. Pulse and Data Communications:
Information in a communication system, Coding generation and reception, PWM, PPM,
PCM, Introduction to telegraphy (and Telex), Telemetry.
3. Radar Systems:-
Radar range equation, Basic pulsed radar system, MTI, CW Doplar Radar, FMCW Radar.
4. Broad Band Communication Systems:
Frequency Division Multiplexing, Time division multiplexing, Introduction to Microwave
Link, Tropospheric scater link, Satellite communications.
5. Television Fundamentals:
TV transmitter and Receiver block diagrams, T.V. standards, scanning, blanking and
Synchronising pulses, BW receiver block diagram. Colour combination, Colour transmission,
Colour reception. Carrier Comm. On power lines.