[Elecraft] Samelex Power Supplies with a K3

[Paul Christensen]

Jim,

I should have mentioned that.  From the beginning, I wrapped about twelve 
turns onto a #31 core from the DC input, fan output, and speed pot leads 
onto a #31 core.  In fact, all leads are done with IDC ribbon cable and 
grouped/wrapped together on one core.

Paul, W9AC

----- Original Message ----- 
From: "Jim Brown" <jim at audiosystemsgroup.com>
To: <elecraft at mailman.qth.net>
Sent: Sunday, May 23, 2010 11:52 AM
Subject: Re: [Elecraft] Samelex Power Supplies with a K3


> On Sun, 23 May 2010 08:40:53 -0400, Paul Christensen wrote:
>
>>Recently, I've added fan speed control with a PWM controller.
>
> I trust that you've carefully designed to minimize the RF noise usually
> associated with this sort of circuit. :)
>
> 73,
>
> Jim K9YC
>
>
>
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