[Amps] Measuring RF Power

gdaught6@stanford.edu gdaught6 at stanford.edu
Tue Mar 22 19:01:51 EST 2005


Dennis wrote.

> All power formulas square the voltage or current to get rid of those 
> negative terms.

No, not all.  What about P=V*I*cos(alpha) where alpha is the power 
factor?  

>  The square of a positive number is a positive number.

< snip, etc.>

>  The commonly known conversion factors only apply to pure sinewaves 
>  and 
> averaging over multiples of full cycles of the waveform.

Yes!

73,

George T. Daughters, K6GT





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