Noise Figure & Noise Temperature
Convert between noise figure (dB) and noise temperature (K). Also compute cascaded noise figure using the Friis formula.
Noise Figure
3 dB
F = 1.995 (linear)
Noise Temperature
288.63 K
T_e = T0 × (F − 1)
T_e = T₀ × (F − 1), T₀ = 290 K
Friis: F_tot = F₁ + (F₂−1)/G₁ + (F₃−1)/(G₁G₂)