BEE 606

COMMUNICATION SYSTEMS

OBJECTIVE: On completing the course the students will have a knowledge of different modulation techniques and systems and fundamentals of television and radio.

1. AM AND FM SYSTEMS


Principles of Amplitude Modulation, single and double side band - suppressed carrier system and frequency modulation - varactor diode and reactance modulator - AM detectors - FM discriminators - AM and FM transmitters and receivers.

2. PULSE AND DIGITAL COMMUNICATION


Sampling theorem - pulse modulation techniques - PAM, PWM and PPM concepts - PCM encoder and decoder - multliplexing - time division multiplexing and frequency division multiplexing.

3. DATA COMMUNICATION TECHNIQUES


Data transmission using analog carriers - MODEMS employing FSK, QPSK, QAM and MSK - asynchronous and synchronous transmission - error control techniques - data communication protocols - link oriented protocols - asynchronous protocols.

4. MODERN COMMUNICATION SYSTEMS


Microwave links, Optical communication principles - Satellite communication systems - Pagers - Cellular phones - EPABX.

5. TELEVISION SYSTEM


Requirements and standards - need for scanning - interlaced scanning - VSB modulation - types of camera tubes and picture tubes - B/W and colour systems - PAL - CCTV -Cable TV - Microwave relay systems.