(a) Two amplifiers are connected in cascade each having a gain of $10…

Previous year question for Satellite Communication.

Question

(a) Two amplifiers are connected in cascade each having a gain of $10\text{ dB}$ and a noise temp of $200\text{K}$.

Calculate: (i) The overall Gain (ii) The Effective noise temp with referred to input. (10)

(b) What are the various interferences that may affect the satellite link performance. (10)