neper
| Symbol: | NP |
| Category: | Logarithm of a ratio |
| SI Equivalent: | 4.34294 dB |
| Dimension: | nil (log) |
| Notes | |
| Named after the Scottish mathematician John Napier (also spelled Neper), the neper is a unit for expressing the ratio between two amounts of voltage or current. It is defined as logeV1/V2. | |
1 NP =
| Logarithm of a ratio | ||
| Symbol | Unit Name | |
| 0.434294 | B (power) | bel (power) |
| 0.868589 | B (voltage) | bel (voltage) |
| 4.34294 | dB (power) | decibel (power) |
| 8.68589 | dB (voltage) | decibel (voltage) |
