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Old 19th Aug 2018, 9:58 am   #6
David G4EBT
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Join Date: Feb 2003
Location: Cottingham, East Yorkshire, UK.
Posts: 5,737
Default Re: Long Wave interference problem solved.

A couple of homebrew designs here, which might be of interest - one more complex than the other:

http://www.dms-audio.com/sites/defau...ins-filter.pdf

http://www.decdun.me.uk/mainsconditioner.html
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