power, voltage, and the decibel scale

[Zack Widup]

>
>Hello, folks.
>
>I'm sure 99% of the people here already know this.  But, there have been
>some errors propagated and I just wanted to share a few formulas, in
>case there are people who would like this info, but don't want to ask.
>
>(By the way, the abbreviation is dB.  The scale was named for a man named
>Bel, and therefore the B is capitalized.  We're talking about a tenth of a Bel, and
>SI says deci should be a small d.  So, we end up with dB.)
>

Maybe everyone knows it, but the unit was named after a man named BELL - 
Alexander Graham Bell, to be exact!

Zack W9SZ