Topband: Help with RFI
Brian Machesney
nekvtster at gmail.com
Sun Jan 13 08:08:36 EST 2013
Wrapping everything in ferrite did not solve my 160m RFI problems. OZ7C
provided a filter circuit that I use successfully:
http://www.ddxg.dk/oz7c/adsl/adsl_160m_filter.pdf
G3VMW has done additional work:
http://www.rsars.org.uk/ELIBRARY/BBCONNECT.pdf
73 -- Brian K1LI
On Sat, Jan 12, 2013 at 10:38 PM, Mike Waters <mikewate at gmail.com> wrote:
> I wrap a few turns of the CAT 5 Ethernet cable coming into the back of my
> shack PC around a few stacked 2.4" diameter #31 ferrite cores. Works for
> me.
>
> 73, Mike
> www.w0btu.com
>
> On Sat, Jan 12, 2013 at 4:48 PM, W7KW <w7kw.terry at gmail.com> wrote:
>
> >
> > I am having a problem with RF getting into my Ethernet cables. Anyone
> > have any recommendations for a clamp-on filter that would help remove 1.8
> > MHz RF?
> >
> _________________
> Topband Reflector
>
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