A receiver has a noise figure of 7 dB, gain of 40 dB, noise temperatur – McqOptions

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1.	A receiver has a noise figure of 7 dB, gain of 40 dB, noise temperature is 290 K. then the noise power at the receiver is:
A.	47. 4 dBm
B.	-47.4 dBm
C.	23 dBm
D.	-23 dBm
Answer» C. 23 dBm

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