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Q#1
Random Variable and Random Process
GATE EC 2016
MCQ
+2 marks
-0.66 marks
An antenna pointing in a certain direction has a noise temperature of 50 K. The ambient temperature is 290 K. The antenna is connected to a pre-amplifier that has a noise figure of 2 dB and an available gain of 40 dB over an effective bandwidth of 12MHz. The effective input noise temperature 
for the amplifier and the noise power 
at the output of the preamplifier, respectively, are
and 
= 170.8 K and 
= 182.5 K and 
= 160.62 K and 
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