[RFI] PC Speaker "Buzz"

David Cole dave at nk7z.net
Wed Jul 1 00:22:28 EDT 2015


Try adding ferrite chokes to both the feed-line of your antenna, at the
antenna feedpoint, and on the speaker wires.  I'd start with mix31s.

See:

http://audiosystemsgroup.com/RFI-Ham.pdf

for more than you will ever need to know about ferrite material...
-- 
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net

For MixW support see;
http://groups.yahoo.com/neo/groups/mixw/info
For Dopplergram information see:
http://groups.yahoo.com/neo/groups/dopplergram/info
For MM-SSTV see:
http://groups.yahoo.com/neo/groups/MM-SSTV/info


On Tue, 2015-06-30 at 20:08 -0400, Tony wrote:
> All:
> 
> What is the best method of reducing RF getting into ones PC speakers? Is 
> it best to use ferrite beads and toroids in mix 31, 43 or a combination 
> of both?
> 
> Thanks
> 
> Tony
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