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How do you convert signals from voltage to decibel?

Updated: 8/17/2019
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15y ago

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Scroll down to related links and use the nice calculator "Decibel level conversion to volt".

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15y ago
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Q: How do you convert signals from voltage to decibel?
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Related questions

How do you convert signals from voltage levels to their corresponding decibel equivalents and from decibel levels to their corresponding voltage or current levels?

convert signal gains or losses to comparative decible reading.


How are signals converted from voltage levels to their corresponding decibel equivalents and from decibel levels to their corresponding voltage or current levels?

Scroll down to related links and look at "Conversion Voltage V to voltage level Lu and LV - Decibel (dB) level conversion to volt ".


Convert signals from voltage levels to corresponding decibel equivalents?

To convert voltage levels to DB you must first specify a reference, then take 20 x log(base 10) of the ratio of the voltage level in question to the reference. For example, if the reference is 1 volt and the signal of interest is 100 volts, then the level in dbV is: 20 x log10 ( 100 / 1 ) = 40 dbV


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