[RFI] RFI @ VHF Line Filters

N1BUG paul at n1bug.com
Sat May 23 06:30:58 EDT 2015


I'm digging through boxes and the bones of past projects to see if I 
have a 6EF1. I have used a number of that type over the years. The 
ones I had were very effective at HF and 6M but did little to 
nothing at 2M. If I don't find one in my stuff I will pick one up on 
eBay and try it.

73,
Paul


On 05/21/2015 05:01 PM, dalej wrote:
> Mouser states this part is obsolete.  Probably a part number change or a newer version.  I did a search and they are on Amazon from another vendor, maybe Ebay too.
>
> Tnx for the good info.
>
> 73
> Dale, K9VUJ
>
>
>
> On 21, May 2015, at 11:25, Jim Brown <jim at audiosystemsgroup.com> wrote:
>
> On Thu,5/21/2015 5:45 AM, Tom Lizak wrote:
>> I found that replacing the AC connector of the computer p/s with a CorCom
>> 6EF1 line filter works getting rid of the RFI/hash from the switching p/s
>> which is most likely the problem.
> Yes. If I'm understanding you correctly, this is a filter sort of built into the universal male line plug. An important reason why filters like this, which are relatively simple ones by virtue of their size, works so well is that it is internal to the computer chassis and its green wire is bonded to the shielding enclosure.
>
> 73, Jim K9YC
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-- 
Paul Kelley, N1BUG
RFI Committee chair,
Piscataquis Amateur Radio Club
http://www.k1pq.org



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