Electrical Engineering Glossary Definition for dBm

Definition

A unit that defines a signal level by comparing it to a reference level. The reference level of 0dBm is defined as 1mW. The signal level in dBm is 10 times the log of the signal's power over that of the 0dBm reference.

See Also

• Dynamic Range
• SINAD
• Signal-to-Noise Ratio
• B
• dB
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