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Question 14.4: Convert noise figures of 4 dB and 4.1 dB to equivalent noise......

Convert noise figures of 4 dB and 4.1 dB to equivalent noise temperatures. Use 300 K for the environmental temperature.

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Converting the noise figures to noise factors yields
NF = 4 dB, F = 2.512
NF = 4.1 dB, F = 2.57
Substituting into Equation 10 yields
T=\frac{N}{KB}          (10)
T_{e} = 300(2.512 − 1)
= 453.6 K
T_{e} = 300(2.57 − 1)
= 471 K

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