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1. |
An amplifier when used with a source of average noise temperature 60 K, has an average operating noise figure of 5. If the amplifier is sold to the engineering public, the noise figure that would be quoted in a catalog is? |
A. | 0.46 |
B. | 0.94 |
C. | 1.83 |
D. | 2.93 |
Answer» D. 2.93 | |