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Bel
A measure of voltage, current or power gain. One Bel is defined as a tenfold increase in power. If an amplifier increases a signal's power by a factor of 10, its power gain is 1 Bel or 10 decibels (dB). If power is increased by 100 times, the power gain is 2 Bels or 20 decibels. 3dB is considered doubling.
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- Part of Speech: noun
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- Category: Radio & TV broadcasting equipment
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