principles of communication

principles of communication :- Important questions






1.   Explain indirect method of fm generation. What are the drawbacks of direct method..?

2.   (a) a differentiator circuit behaves like a fM slope detector .justify

(b)state 2 limitation of balanced slope detector

      3.What is agc?what are the advantages of delayed agc?

3.   Compare FDM and TDM?

     5.Explain crosstalk in PAM TDM system?

     6.Explain direct and indirect method of PDM?

     7.Compare s/n ratio of PAM and PDM?

     8.What are the disadvantages of delta modulationHowit can be removed?