[Elecraft] 5w Transformer Mod Question

[Phil Wheeler]

frastephen@comcast.net wrote:

>Hi All
>
>K2 #2644 is in final testing and all is well, so far, I think!
>
>I want to verify something before I moce on.
>
>Being the good QRPer that I am I built T4 with the 1:1 winding modification.
>
>My results with the Power setting at 5 watts is nominal.
>
>But when I do crank it up to 10w I notice the voltage drops and the HIGH
>CURRENT message comes on.  I found a indirect reference to this in Inigo,
>DK3RED's article about limiting the power to 5w.
>


I suspect that with the mod, the efficiency at 10 W is bad and will 
cause more current drain.

You could set CalCurr higher and see just what drain you are getting at 
10 W.  But if it is doing OK at 5 W, why do you care?

73, Phil