Time : 3 Hrs.                                                                                                                                         Theory : 100 Marks

Term Work : 25 Marks



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1.   Introduction to Communication Systems :

Elements of a communication system, noise in communication systems, introduction to radio wave propagation.


2.   Amplitude Modulation :

Introduction,   time  and   frequency   domain   analysis,   power   relations,   basic   requirements   and description  of  various  modulators,  comparison  of  DSB,  SSB,  VSB,  spectrum  modulator  and detectors.


3.   Angle Modulation :

Introduction,  frequency  modulation,  phase  modulation,  spectrum  of  FM,  effect  of  noise  in  FM, generation of FM, detection of FM.


4.   Transmitters and Receivers :

Introduction, transmitters − requirements, topologies, AM and FM transmitters, receiver − topologies, characteristics,  variations,   measurements,  transreceivers,  characteristics  and   block  diagram  of broadcast radio transmitters.


5.   Pulse and Digital Modulation :

Pulse  modulation  methods,  pulse  amplitude  (PAM),  pulse  position  (PPM),  pulse  duration/width



Modulation methods for digital signals over analogue :

Amplitude shift keying (ASK), frequency shift keying (FSK), phase shift keying (PSK), Quaternary

Phase Shift Keying (QPSK), Quaternary Amplitude Modulation (QAM).


Digital modulation methods : Pulse Code Modulation (PCM) ; Delta modulation; Adaptive Delta modulation.


Multiplexing techniques : Space division; frequency division; time division; wavelength division.


6.   Telemetry :

Methods of data transmission, general telemetry system, types of telemetering systems − land time telemetering,  RF  telemetering,  voltage  telemetering  system,  current  telemetering  system,  force balance  telemetering,  impulse  and  position  telemetering  system,  land  line  telemetry  feedback systems, FM telemetry systems, PAM telemetry, PCM.


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