Attenuation signal reduction to dB

From wiki.comcert.com
Revision as of 12:48, 9 March 2019 by Bert (talk | contribs)
Jump to navigation Jump to search

Introduction

Many fiber optic technicians are unfamiliar with logarithmic scales and units such as decibel (dB).

This table allows you to get a grasp on the relationship between loss on a logartimic scale (dB) and optical power reduction on a liniar scale (%).

 

Solution

Table

 

Attenuation Optical Power Reduction
0 dB 0%
1 dB 21%
2 dB 37%
3 dB 50%
4 dB 60%
5 dB 68%
6 dB 75%
7 dB 80%
10 dB 90%
13 dB 95%
15 dB 96.8%

 

 

 

 

 

 

 

 

 

 

 

 

Graph

 

OpticalPowerLoss.png
OpticalPowerLoss.png