What is the level of the noise floor?

The thermal noise is at 174 dBm/Hz. A spectrum analyzer has a resolution bandwidth of 1 kHz and a 5 dB noise figure.

What is the level of the noise floor?
A . 174 dBm
B . 139 dBm
C . 144 dBm
D . 204 dBm

View Answer

Answer: B