[Yaesu] conversion scale from dbu to microvolts

Steve Harrison k0xp at dandy.net
Sat Jul 29 15:43:38 EDT 2006


At 01:24 PM 7/29/2006 -0500, you wrote:
>Again, there isn't a power dB or a voltage dB or an acoustic dB or 
>..., the dB is simply a dB for all until you reference it to 
>something like 0 dB = 1V/Pa @ 1KHz as the reference for the 
>sensitivity of a microphone stated to be -25 dBV/Pa.

I thought that was what I was pointing out, but I'm not real good at
explaining things, sometimes  ;o(

>In closing, the dB is one of the greatest mathematical definitions I 
>can think of in that it is used in essentially every engineering and 
>scientific field.

Although they don't actually say "dB", even wind force, hurricane, and
earthquake strengths are based on a logarithmic scale. Not sure about
tornados.

73,
Steve K0XP


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