Decibel (dB)
A unit of measurement indicating relative power on a logarithmic scale. Often expressed in reference to a fixed value, such as dBm or dBµ.
dB = 10·Log10 (P1/P2)
Fiber-Optics.infoA unit of measurement indicating relative power on a logarithmic scale. Often expressed in reference to a fixed value, such as dBm or dBµ.
dB = 10·Log10 (P1/P2)