1) Describe the requirement for modulation in detail.
2) Explain the requirement for pre-emphasis and de-emphasis.
3) What is frequency modulation? Explain noise triangle.
4) Write down the comparison of AM and FM.
5) Explain the working of a Balanced Modulator.
6) How do we stabilize the carrier using AFC.
7) Explain demodulation of AM waves using Synchronous Detection.
8) What is Modulation? Derive an expression for an Amplitude Modulated Wave.
9) Describe the functioning of Armstrong Method of FM modulation
10) Explain the working of a Slope Detector for FM demodulation
11) Explain the various kinds of Pulse Modulation
12) Write detailed notes on the following:
a. PCM
b. Ring Modulator
c. PLL