[Elecraft] power supply

Fri Nov 1 11:19:00 2002

All my supplies are of the linear variety. What is it that makes switching
supplies so attractive and/or preferable to a linear design?

Wouldn't using a (decent) linear supply solve any/all concerns about hash?

Mike - K5PU

----- Original Message -----
From: "Kenneth E. Harker" <[email protected]>
To: "Elecraft Reflector" <[email protected]>
Sent: Friday, November 01, 2002 9:29 AM
Subject: Re: [Elecraft] power supply

> On Thu, Oct 31, 2002 at 10:46:53PM -0500, Jeff Burns wrote:
> > I am comparing the MFJ 4125 power supply to the Samlex SEC-1223 and the
> > Astrom SS-25. Any helpful comments would be appreciated. This will be
used
> > to power a K2/100 eventually.
>
> There was a Product review article in QST in Jan 2000 that reviewed (I
think
> these very same models of) switching power supplies.  The Astron and MFJ
> supplies performed well.  The Samlex supply did not.
>
> http://www.arrl.org/members-only/prodrev/pdf/pr0001.pdf
>
>