[Elecraft] K2/100 RFI problem using Astron 20A

[Jack Brindle]

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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-Jack Brindle, W6FB
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