How to Calculate Noise Figure?
Noise Figure calculator uses noise_fig_amplifier = Maximum Possible S/N Ratio/Actual S/N ratio at Output to calculate the noise figure of amplifier, The Noise Figure formula is defined as the noise figure is the difference in decibels (dB) between the noise output of the actual receiver to the noise output of an “ideal” receiver with the same overall gain and bandwidth when the receivers are connected to matched sources at the standard noise temperature. noise figure of amplifier and is denoted by F symbol.
How to calculate Noise Figure using this online calculator? To use this online calculator for Noise Figure, enter Maximum Possible S/N Ratio (S/N) and Actual S/N ratio at Output (S/Nout) and hit the calculate button. Here is how the Noise Figure calculation can be explained with given input values -> 2.333333 = 7/3.