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How do you convert 15W to dB?
"dB" expresses a ratio between two different power levels. 15W can't be expressed in dB. It can only be expressed as some number of dB more or less than some other power. If the reference level is 1 watt, then 15W is written as " +17 dBW ". That means " 17 dB more power than 1 watt ". In most of electronics and telecommunications, the reference level is usually 1 milliwatt. Using that common reference level, 15W is written as " +47 dBm ". That means " 47 dB more power than 1 milliwatt ". ========================================================= The question starts from 15 watts. Using 1 watt as the reference level ... (15 watts) divided by (1 watt) = 15. 10 log(15) = +11.76 dBW (11.76 dB more power than 1 watt) Using 1 milliwatt as the reference level ... (15 watts) divided by (0.001 watt) = 15,000 10log(15,000) = +41.76 dBm (41.76 dB more power than 1 milliwatt)
What does - inf dB mean?
dB (decibels) is a logarithmic unit used to express the ratio of two values. When a value is expressed as "- inf dB," it means that the value is infinitely attenuated or reduced to zero, and therefore there is no signal or power remaining.
What does dB mean in physics?
In physics, dB stands for decibel, which is a unit used to measure the intensity of sound or the magnitude of a physical quantity. It is a logarithmic scale that compares the level of a physical quantity to a reference value.
What color is lighter db 701 or db 703?
DB701 is lighter (They are German Railway Colours - Deutsche Bahn = DB)
What sound decibels are harmful?
The sound pressure or its level can be harmful if it is moving too much your eardrums. "Permitted Exposure Time Guidelines - SPL" Sound pressure level Lp and permissible exposure time t: 115 dB = 0.46875 minutes (~30 sec) 112 dB = 0.9375 minutes (~1 min) 109 dB = 1.875 minutes (< 2 min) 106 dB = 3.75 minutes (< 4 min) 103 dB = 7.5 minutes 100 dB = 15 minutes 97 dB = 30 minutes 94 dB = 1 hour 91 dB = 2 hours 88 dB = 4 hours 85 dB = 8 hours 82 dB = 16 hours Lower dBs are said to be harmless.
What device can be connected to a PC using db-15?
A db-15 is normally for a VGA monitor.
What does dB in noise?
dB mean Decibel.
What does 925 DB on jewelry mean?
What does DB 3 925 CN mean
What is dB mean in signal amplifier?
dB is the abbreviation of Decibel
What is DB mean on a college transcript?
what does DB stand for on grades
What does db mean on a military id card?
'DB' is short for 'Date of Birth.'
What is DB-15 connector on a sound card used for?
Joysticks
What is a DB-15 connector on a sound card used for?
Joysticks
What does db mean in softball?
designated batter
What does the abbreviation DB mean in a text?
database
What does DB stamp mean on a ring?
no lead
What does Dw db mean in acoustics?
Dw. db means weighted amount variance between rooms in acoustics. db is actually short for decibel, the unit for sound.
