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Distinguish between high level and low level modulation?ġ6. If incoming frequency is f1 and translated carrier frequency is f2, apply and find the local oscillator frequency.ġ5. Suggest a modulation scheme for broadcast videoĪpply the concepts of sensitivity and selectivity in AMĭraw the AM modulated wave for over, under & 100%

Write about diagonal clipping and negative peak clipping? EC8491 Important Questions Communication Theoryĩ.

Identify the differences between single sideband and vestigial sideband systems. Why do you need modulation in communication systems?Ĩ. Mention the advantages of modulating low frequency signal into high frequency signal.ħ. EC8491 Important Questions Communication Theory What is pre envelope and complex envelope?ģ. Sample EC8491 Important Questions Communication Theoryġ. Communication Theory Important Questions EC8491 pdf free download. EC8491 Important Questions Communication TheoryĮC8491 Important Questions Communication Theory Regulation 2017 Anna University free download.