Posted by
Jack Brindle on
Dec 08, 2005; 6:52pm
URL: http://elecraft.85.s1.nabble.com/K2-100-RFI-problem-using-Astron-20A-tp384421p384433.html
Is the supply linear or a switcher?
So far, no one has asked!
On Dec 7, 2005, at 7:15 PM, Elmore's wrote:
> I am in the testing phase of my KPA-100 construction using an
> Astron 20A power supply. When I attempt to adjust the power of the
> K2 in Tune mode it will reset at levels between 40-90W depending on
> the band selected. I tried adjusting the power using a battery and
> I was successful to 100W without having a reset. Therefore the
> problem points to the Astron. Tech Support mentioned to me that
> this is a problem that has happened a number of times.
>
> I have tried ferrite beads on the DC lines, a capacitor across the
> '+' & '-' leads and verifying that the '-' lead is connected to the
> case (a solution that I found on the web). Nothing has helped.
>
> I haven't found anything on the discussion list addressing this
> issue. Has anyone had this problem ?
>
> TNX & 73, Jim
>
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