[Elecraft] K2 High Current

[Don Wilhelm]

Mike,

The most probable cause of Hi Cur is the low pass filter - check the number
of turns on toroids L25 and L26, check the capacitor values in the 40 meter
low pass filter and check the soldering, particularly the toroid leads.

73,
Don W3FPR

> -----Original Message-----
>
> My K2 S/N 5163 goes in to current limit at about 7 watts or so on
> 40M. I set
> the limit to 3.5A, so something is not right. The voltage drops about 1V
> from 13.5 to 12.5 as well using the K2 meter. I have a 25 amp PS, and
> increase the wire size with no real change. The other bands go in to limit
> as well at about the same output level. The PA bias resistance check was
> low. It reads about 800 ohms, and should be 2.5-3.0K (Page 71).
> The rest of
> the band adjustments went well, and it receives great.
> Any ideas?
>
>
> Mike
> AI4NS
>
>