Encyclopedia > Noise level

Article Content

Noise level

In telecommunication, noise level is the noise power, usually relative to a reference.

Note: Noise level is usually measured in dB for relative power or picowatts for absolute power. A suffix is added to denote a particular reference base or specific qualities of the measurement. Examples of noise-level measurement units are dBa, dBa(F1A), dBa(HA1), dBa0[?], dBm, dBm(psoph), dBm0[?], dBm0P[?], dBrn, dBrnC[?], dBrn(f ₁ - f₂), dBrn(144-line), pW[?], pWp, and pWp0.</b>

Source: from Federal Standard 1037C and from MIL-STD-188

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Bullying

... for any period of time without a legitimate basis of authority. The first to have the title of "Tyrant" was Pisistratus in 560 BC. In modern times Tyrant has come to ...