Equivalent Noise Temperature
Android app by Randle C. Sink. Productivity · Randle C. Sink
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0
- Listing last refreshed
- 2026-09-13
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Store description excerpt
To determine the noise figure (NF) of a device use the relationship NF= (S/N)in/(S/N)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.
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