Related InterviewSolutions

• Explain with reason :(i) In amplitude modulation, the modulation index μ is kept less than or equal to 1.(ii) The maximum amplitude  of an amplitude modulation wave is found to be 15 V while its minimum amplitude is found to be 3 V. what is the modulation index ?(iii) Why amplitude modulated signal be noisier than a frequency modulation signal upon transmission through a  channel ?
• What is ground wave propagation?
• What is meant by phase Modulation? 
• What are the basic terminology used in electronic communication systems ?
• What is space wave propagation?
• What does the term transducer mean in an electronic communication system?
• What is meant by Amplification of a signal?
• Communication on ground is through electromagnetic waves of wavelength(A) Larger than 600m(b) Between 200 and 600m(C) Between 1 and 5m(D) Between 10-13 and 0.1m
• What do you mean by Propagation of electromagnetic waves ?
• What are the three basic units of a communication system?