VIVA QUESTION FOR ANALOG COMMUNICATION

VIVA QUESTION FOR ANALOG COMMUNICATION

1. What is amplitude modulation?
2. What is modulation?
3. What are the different types of analog modulation?
4. What is the need for modulation?
5. What are the objectives met by modulation?
6. What are the advantages of PWM over PAM?
7. What is pulse position modulation?
8. What is the advantage of PPM over PWM and PAM?
9. What are the applications of pulse position modulation?
10. What are the purposes of using differential pulse position modulation?
11. What are the advantages of pulse position modulation?
12. What are the applications of PPM?
13. Explain the principle of PPM?
14. What is the purpose of PPM?
15. What are the analog analogies of PAM, PPM, and PWM?
16. What is frequency modulation?
17. What is PWM? Or pulse length modulation? Or pulse duration modulation?
18. What are the disadvantages of PWM?
19. Explain the principle of PWM?
20. Mention the applications of PWM.