1) Design the block diagram for the production and the demodulation of the VSB signal and describe the principle of operation.
2) Describe the function of every block within the super-heterodyne receiver.
3) Describe the principle of the indirect method of producing the wide-band FM signal with the help of block diagram.
4) Explain how do you demodulate the FM wave using the frequency discriminator?
5) a) Explain the principle of the adaptive delta modulation. Explain in detail.
b) Provide an account of the benefits and limitations of the PCM details.
6) a) Develop the block diagram of the QPSK transmitter and receiver and describe it’s working.
b) Describe the bit error probability.
7) Explain what are the look angles within the satellite communication? Illustrate how they are calculated?
8) Explain what are the fiber modes? Describe the mode theory for the optical fibers. Explain in detail.
9) Explain the evolution mobile communication system. Describe in detail.
10) Describe the architecture of GSM.