[RFI] RFI LG Refrig Corcom filter and #31 core

[Dan K2YWE]

Is putting the Corcom at the end of the cord where it plugs into the mains
adequate or does it need to be wired in at the fridge entry?
73, Dan


On Wed, Sep 29, 2021 at 3:10 PM Mike Wetzel <mjwetzel at comcast.net> wrote:

> My neighbor's LG refrigerator is radiating RFI on 28MHz and Don (WD8DSB)
> temporarily hooked up a Corcom filter and a cord wrapped around a #31
> torroid core that eliminated the interference.  I tried contacting LG with
> no success asking them to provide a filter for the refrigerator.
>
>
>
> Don came up with this APC unit AV C Type 2 see here:
> https://www.google.com/search?q=apc+av+c+type+2
> <
> https://www.google.com/search?q=apc+av+c+type+2&ie=utf-8&oe=utf-8&client=ub
> untu&channel=fs
> <https://www.google.com/search?q=apc+av+c+type+2&ie=utf-8&oe=utf-8&client=ubuntu&channel=fs>>
> &ie=utf-8&oe=utf-8&client=ubuntu&channel=fs
>
>
>
> It says it has 55db EMI suppression.  I can add a core to a line cord.
>
>
>
> It seems like a lot of places have the raw filters (Corcom) but they are
> not
> available in a package that would be neighbor friendly and instill
> confidence.
>
>
>
> Does anyone have any other suppliers of a packaged EMI filter?
>
>
>
> Mike Martin suggested this could be a nice business opportunity if one was
> to produce such a unit (filter and core).
>
>
>
> Thanks,
>
>
>
> Mike W9RE
>
>
>
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