[RFI] Mr. Carlson's Lab: coffee maker RFI

[Mark Schoonover]

That's the difference between an analog engineer and a digital engineer -
the analog engineer can tell when they're making a transmitter.

73! Mark KA6WKE

Website: https://www.ka6wke.net

On Sat, Jan 15, 2022, 19:07 Pete Smith N4ZR <pete.n4zr at gmail.com> wrote:

> I have an absolutely basic Keurig 2, which only runs while it's making
> coffee (with me hovering nearby).  I think I'm glad.
>
> 73, Pete N4ZR
> Check out the new Reverse Beacon Network
> web server at<http://beta.reversebeacon.net>.
> For spots, please use your favorite
> "retail" DX cluster.
>
> On 1/15/2022 1:55 PM, Rob Atkinson wrote:
> > I don't know about all Keurigs, but I've repaired a K155 commercial
> > machine, and I can tell you that the digital logic control board,
> > which is a hodgepodge of through hole and surface mount parts, is in a
> > non-shielded plastic box inside the machine.  That board has the logic
> > chips and power supplies on it, and Keurig engineers were probably not
> > thinking about RFI when they designed it, but that's just my
> > speculation.
> >
> > Rob
> > K5UJ
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