Attenuation signal reduction to dB: Difference between revisions
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| Line 16: | Line 16: | ||
|- | |- | ||
| 0 dB | | 0 dB | ||
| | | 0% | ||
|- | |- | ||
| 1 dB | | 1 dB | ||
| | | 21% | ||
|- | |- | ||
| 2 dB | | 2 dB | ||
| | | 37% | ||
|- | |- | ||
| 3 dB | | 3 dB | ||
| | | 50% | ||
|- | |- | ||
| 4 dB | | 4 dB | ||
| | | 60% | ||
|- | |- | ||
| 5 dB | | 5 dB | ||
| | | 68% | ||
|- | |- | ||
| 6 dB | | 6 dB | ||
| | | 75% | ||
|- | |- | ||
| 7 dB | | 7 dB | ||
| | | 80% | ||
|- | |- | ||
| 10 dB | | 10 dB | ||
| | | 90% | ||
|- | |- | ||
| 13 dB | | 13 dB | ||
| | | 95% | ||
|- | |- | ||
| 15 dB | | 15 dB | ||
| | | 96.8% | ||
|} | |} | ||
| | ||
Revision as of 11:58, 9 March 2019
Introduction
Many fiber optic technicians are unfamiliar working with logarithmic units like 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
| 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% |