[ADXA] Computer Noise

[w5zn at w5zn.org]

Oh yea....how many times should I wrap a cable around the toroid?? As 
many as you can cram on it. More is better.

Also make sure your computer case is grounded to your system ground. 
Don't relay on the green wire in the power cable.

ZN


On 2019-10-19 09:17, w5zn at w5zn.org wrote:
> You need to wrap everything going into and out of the computer around
> a #31 Core. Use Fair-Rite # 2631803802. You can get them from Mouser.
> Mouser part # is 623-2631803802
> 
> Also, consider replacing the computer power supply with this:
> https://www.amazon.com/Antec-EarthWatts-EA-380D-Supply-Cooling/dp/B002UOR17Y
> 
> That will resolve your issue.
> 
> 73 Joel W5ZN
> 
> 
> On 2019-10-19 08:46, Steven Rutledge wrote:
>> I recently started hearing frying sounds in my rig, virtually all
>> bands.  It’s my desktop computer.  When I disconnect antenna, no
>> change, when computer shuts down, instantly disappears.
>> 
>> Any ideas?  Power supply?
>> 
>> Steve, QQ
>> ______________________________________________________________
>> ADXA mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/adxa
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:ADXA at mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> ADXA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/adxa
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ADXA at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html