[RFI] Sudden Computer Racket

[Roger (K8RI)]

On 6/28/2010 2:29 PM, Terry Dunlap wrote:
> I'm getting ready to install a home theater system.  I know that at the
> very least, I will need to put ferrite chokes on all the speaker wires.
> Where are folks finding the best price for Type 31 cores?
>    
I think I paid $5.6Something (plus shipping) at Mouser, but that was in 
lots of 100.  I think some one had a post a while back that did better 
than that for single pieces, but I don't remember where.

73

Roger (K8RI)
> 73 de Terry KK6T
>
>
> On 6/27/2010 11:46 AM, Jim Brown wrote:
>    
>> On Sun, 27 Jun 2010 11:04:20 -0500, K4RO Kirk Pickering wrote:
>>
>>
>>      
>>> The problem is compounded by the cables
>>> and equipment plugged into the Delta 1010, which act as antennas.
>>>
>>>        
>> Hi Kirk,
>>
>> You can greating reduce the radiation from those antennas with suitable
>> ferrite chokes tuned to the bands where you hear the trash. See my RFI
>> tutorial for specifics. This won't help radiation from the sound card
>> itself due to poor shielding of the PC that it's plugged into, but it
>> will help with trash from those external cables. If you haven't already
>> done so, it may also help to choke other cables connected to the
>> computer -- thanks to pin 1 problems, RF comes out on virtually any
>> cable that leaves a box that has a clock. :)
>>
>> 73, Jim Brown K9YC
>>
>>
>> _______________________________________________
>> RFI mailing list
>> RFI at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rfi
>>
>>
>>      
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
>