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attenuators, feeders, mixers, etc), as well as a host of other measurements such as noise figure, signal to noise ratio, and many others. Typically the deciBel, dB is used for defining amplifier gains, component losses (e.g. It is used within a wide variety of measurements in the engineering and scientific areas, particularly within electronics, acoustics and also within control theory.
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The deciBel, dB is widely used in many applications. The abbreviation for a deciBel is dB - the capital "B" is used to denote the Bel as the fundamental unit. The deciBel, dB or deci-Bel is actually a tenth of a Bel - the Bel is a unit that is seldom used. By using a logarithmic scale, the deciBel is able to compare quantities that may have vast ratios between them. The deciBel uses the base ten logarithms, i.e. It is a convenient way of comparing two physical quantities like electrical power, intensity, or even current, or voltage. The deciBel, dB utilises a logarithmic scale based to compare two quantities. Understanding the Decibel dB - Formula, Definition, Calculations Understand the deciBel, dB what it is and how to calculate a value in deciBels using the formula or our calculator- also understand the various abbreviations like dBA, dBm, dBW and many more.ĭecibels, dB - the basics Decibels levels table dBm to dBW & power conversion chart dBm to watts and volts conversion chart Nepers