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Everything You Ever Want to Know About Decibels

2019-07-17  |  News
Everything You Ever Want to Know About Decibels background

Everything You Ever Want to Know About Decibels

True or false: 30 dBm + 30 dBm = 60 dBm? Why does 1% work out to be -40 dB one time but then 0.1 dB or 0.05 dB the next time? These questions sometimes leave even experienced engineers scratching their heads. Decibels are found everywhere, including power levels, voltages, reflection coefficients, noise figures, field strengths and more. What is a decibel and how should we use it in our calculations? This Application Note is intended as a refresher on the subject of decibels.

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Everything You Ever Want to Know About Decibels


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