(communications) The difference between the level of a signal at a point in a transmission system and the level of an arbitrarily specified reference signal.
| Sci-Tech Dictionary: signal level |
(communications) The difference between the level of a signal at a point in a transmission system and the level of an arbitrarily specified reference signal.
| 5min Related Video: Signal level |
| WordNet: signal level |
The noun has one meaning:
Meaning #1:
the amplitude level of the desired signal
| Wikipedia: Signal level |
In a communications system, the signal level is the signal power, the signal strength or intensity at a specified point. It is often measured using various dB measures with respect to a specified reference level, e.g., 1 mW, which is 0 dBm.
It is also the rms signal level of a voltage, e.g., 1 µVRMS is 0 dBμV or dBuV, and "unloaded voltage level" 0 dBU corresponds to 0.775 V, (1 mW over 600 Ω). From Federal Standard 1037C
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