RF- Assignment1
Question 1
(i) What scientific contribution lead to the attribution of the four equations of
electromagnetism to J.C. Maxwell?
(ii) Describe the experimental validation of the theoretical contribution in (i).
(iii) Briefly explain one application of Maxwell contribution in the 20th century
and one in the 21st century.
Question 2
(i) Compute the overall Noise Factor for the RF Receiver Chain.
(ii) Determine the Noise Figure for the RF Receiver Chain.
Question 3
(i) What are the pros of Fourier Transform in RF communications?
(ii) Compare Fourier Transform, Fast Fourier Transform, and Discrete Fourier
Transform.
Question 4
(i) Given a Bandwidth of 25 MHz and an S/N ratio of 6 dB, calculate the Chanel
Capacity in the appropriate unit.
(ii) Explain the importance of the S/N ratio in the CDMA networks?