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# CS6304 Analog and Digital Communication Question Bank

CS6304 Analog and Digital Communication Question Bank Regulation 2013 Anna University free download. Analog and Digital Communication CS6304 Question Bank pdf free download.

## Sample CS6304 Analog and Digital Communication Question Bank:

PART A 2 Mark

1. What is Modulation?

2. What is the use of Modulation index?

3. What are the types of Analog Modulation Techniques?

4. Define Amplitude Modulation.

5. Define Frequency Modulation.

6. Define Phase Modulation. (CS6304 Analog and Digital Communication Question Bank)

7. Define Angle modulation.

8. Define the modulation index for AM, FM and PM.

9. Write the mathematical expressions for Amplitude modulated wave.

10. Write the mathematical expressions for Angle modulated wave.

11. Write the mathematical expression for Frequency Modulated wave.

12. Write the mathematical expression for Phase Modulated wave.

13. What is the function of limiter in FM receiver?

14. Write the relation between carrier power and side band power of an AM-DSBFC signal.

15. In FM as the modulation index increases the required bandwidth also increases. Why?

16. What is capture effect in FM receivers? [Ans: Ability of FM to diminish the effects of interfering signal is called capture effect.]

17. Distinguish between narrow band FM and wideband FM.

18. Draw the frequency spectrum and mention the bandwidth of AM signal.

19. Define amplitude modulation.

20. What is meant by RF?

21. What are the inputs to an amplitude modulator? (CS6304 Analog and Digital Communication Question Bank)

22. In an AM communications system, define modulating signal, carrier, modulated wave and AM envelope (CS6304 Analog and Digital Communication Question Bank)

 Subject Name Computer Architecture Subject Code CS6304 Regulation 2013