Derive the expression for amplitude modulated wave and illustrate the performance of various AM techniques.
With the use of neat block diagram, describe Square law detector and Synchronous detector.
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.
Illustrate out the generation of FM using reactance tube modulator and list its merits and demerits.
What is the need for multiplexing? Describe TDM and FDM methods and compare their performance.