Cyber Security • RF • Conversions

Thermal Noise Power (kTB)

RF calculations • unit-aware • consistent layout
Calculation
• Temperature T (select either Celsius or Kelvin units)
• Bandwidth B (select Hz, kHz, MHz or GHz units)
Temperature:
Bandwidth:
Noise Power:
dBm
kTB Noise Power Formula
Thermal noise power is calculated using the following:
Pₙ = 10 × log₁₀( kTB / 1mW )