In a satellite ground station, the received signal is directly amplified in a low noise parametric amplifier followed by a FET amplifier. The gains and effective noise temperatures of the amplifiers are 20 dB, 9.0 K and 10 dB, 200 K respectively. The effective noise temperature of the combination is
A. 11.0 K
B. 20 K
C. 29.0 K
D. 39 K
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Satellite Communication
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