Question 1:
Derive the expression for amplitude modulated wave and illustrate the performance of various AM techniques.
Question 2:
With the use of neat block diagram, describe Square law detector and Synchronous detector.
Question 3:
Sketch the neat block diagram for Foster-Seeley discriminator and illustrate its operation with the help of vector diagram. Compare its performance with ratio detector.
Question 4:
Illustrate out the generation of FM using reactance tube modulator and list its merits and demerits.
Question 5:
What is the need for multiplexing? Describe TDM and FDM methods and compare their performance.