Q138
A receiving antenna with a gain of 40 dB looks at a sky with a noise temperature of 15 K. The loss between the antenna and LNA input due to the feed horn is 0.4 dB, and the LNA has a noise temperature of 40 K. The G/T value is
A.
11.2 dB/K
B.
13.4 dB/K
C.
20.6 dB/K
AnswerD.
39.0 dB/K
Answer: Option C
Solution
Answer: Option C
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