Attenuation signal reduction to dB: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 15: | Line 15: | ||
! scope="col" | Optical Power Reduction | ! scope="col" | Optical Power Reduction | ||
|- | |- | ||
| 0 dB | | style="text-align: center" | 0 dB | ||
| 0% | | style="text-align: center" | 0% | ||
|- | |- | ||
| 1 dB | | style="text-align: center" | 1 dB | ||
| 21% | | style="text-align: center" | 21% | ||
|- | |- | ||
| 2 dB | | style="text-align: center" | 2 dB | ||
| 37% | | style="text-align: center" | 37% | ||
|- | |- | ||
| 3 dB | | style="text-align: center" | 3 dB | ||
| 50% | | style="text-align: center" | 50% | ||
|- | |- | ||
| 4 dB | | style="text-align: center" | 4 dB | ||
| 60% | | style="text-align: center" | 60% | ||
|- | |- | ||
| 5 dB | | style="text-align: center" | 5 dB | ||
| 68% | | style="text-align: center" | 68% | ||
|- | |- | ||
| 6 dB | | style="text-align: center" | 6 dB | ||
| 75% | | style="text-align: center" | 75% | ||
|- | |- | ||
| 7 dB | | style="text-align: center" | 7 dB | ||
| 80% | | style="text-align: center" | 80% | ||
|- | |- | ||
| 10 dB | | style="text-align: center" | 10 dB | ||
| 90% | | style="text-align: center" | 90% | ||
|- | |- | ||
| 13 dB | | style="text-align: center" | 13 dB | ||
| 95% | | style="text-align: center" | 95% | ||
|- | |- | ||
| 15 dB | | style="text-align: center" | 15 dB | ||
| 96.8% | | style="text-align: center" | 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% |