• Valerie Illingworth
Part of the Macmillan Dictionary Series book series (DICTS)


gain. 1. A measure of the amplification of an electronic device. If the power input to the device is P 1 and the power output is P2, the gain expressed in decibels is given by
$$G = 10{\log _{10}}({P_2}/{P_1})$$
Gains measured in this way can be added when amplifying stages are connected in cascade.


Globular Cluster Spiral Galaxy Galactic Centre Grand Unify Theory Galactic Plane 
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© Laurence Urdang Associates Ltd 1979

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  • Valerie Illingworth

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