[ARC5] Quieting A DC/DC Converter

[Bob kb8tq]

Hi

Probably be a good idea to put a $2 fan in the can along with the converter. 
Let it blow air on the heatsink and “spread” it out to the can walls.  Convection
does not work very well in confined spaces ….

Bob

> On Jan 27, 2018, at 12:41 PM, David Stinson <arc5 at ix.netcom.com> wrote:
> 
> 
> Needed a 140V supply for the AR8 receiver, so put
> one of these DC/DC things in a very expensive box.
> Line filters in and out.  Don't have the
> feed-through caps yet so some birdies leaking by,
> but ferrites on the leads knocked them way down.
> Clean on MF and 160-75-40, some light hash above
> about 15 MC.  We'll see how it goes with the
> feedthrus.
> 73 Dave S.
> 
> 
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