[Elecraft] Elecraft DL1 Wideband Dummy Load

[David Pratt]

I can understand that, Don, but why convert to peak?  Don't we measure 
power in r.m.s?

73 de David G4DMP

In a recent message, Don Wilhelm <w3fpr at isp.com> said....
>The 0.15 volts has to be a compensation factor for the diode non-linearity
>at low power levels.
>The rest of the formula is correct though - Start with the basic formula for
>power V**2/R  (V is the RMS value in this formula) and manipulate it for
>zero to peak voltage, you end up with ((V(0-p))**2)/2R, so since the formula
>given does convert first from RMS to zero to peak voltage, then adds the
>compensation (0.15), you have to have 2 times the resistance in the
>denominator - just math stuff.