> dB=10*log(G), G = gain, make sure you use log base 10

Note that this is power gain.  Power gain is proportional to the square of
the voltage gain.  Therefore an incremental increase in voltage gain of 10
increases the output signal by 20dB.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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