Everyone

Randle C. Sink

Froyo

To determine the noise figure (NF) of a device use the relationship NF= (SN)in(SN)out. Then in order to find the noise temperature use Td = To*(NF - 1) where To is the reference temperature (usually 290 K). The noise figure NF is given in dB but this app converts it to a linear ratio.

As an example, enter To = 290, NF = 2.5, push "Calculate" and your result should be Td = 225.7.

Noise Temperature

Noise Temperature

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