[ARC5] Audio power output - 10 meter BC-454

Kenneth G. Gordon kgordon2006 at frontier.com
Sat Feb 16 20:44:36 EST 2013


On 16 Feb 2013 at 19:23, D C _Mac_ Macdonald wrote:

> And, IIRC, peak-to-peak voltage on the sine 
> wave is ~ 2.828 times the Erms. Ergo, the
> Erms would be ~ 12.38 V, (35 / 2.828). 
> 
> Therefore: 
> 
> Erms = ~ 153.17 / 500 = ~ .306W (306 mW). 
> 
> Nothing wrong with Neil's calculations. 

Yes. That is what I get too. 0.306 mW....once I was reminded that 
Epeak=1/2Epk-pk

I often forget that...

Ken W7EKB


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