Attenuation signal reduction to dB

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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 optical power loss on a logarithmic scale (dB) and optical power loss on a linear scale (%).

Power Loss (dB) is also known as Attenuation (dB).

 

Solution

Table

 

Optical Power Loss (dB)

Attenuation (dB)

Optical Power Loss (%)

 

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