[Elecraft] RF problem & Serial to Serial cable with built-in chokes

[W Paul Mills]

You might want to try optical isolation instead.
A couple of sources:
<http://www.telebyteusa.com/catalog/products/9268.htm>
<http://www.bb-elec.com/Products/Serial-Connectivity/Isolators-Repeaters/Isolated-RS-232-Repeaters.aspx>

On 06/16/2013 08:16 PM, RLVZ at aol.com wrote:
> Would anyone know of  a good quality Serial to Serial  cable that's
>  available with built-in chokes?  (chokes built onto the  serial
> cable similar to monitor cables)   I've done some internet
> searches and haven't found any.
> 
> I'm having problems with RF getting into my  computer and locking
> it up. I'm suspecting the Serial to Serial cable between the CPU
> and the K3.   I've tried different serial cables, different
> computers, tried snap on  chokes from Radio Shack, tied all
> equipment into a common ground... all without  any benefit.  (my
> antennas have low SWR's and I don't use an Antenna  Tuner).
> 
> If a serial to serial cable with built-in chokes is unavailable,
> should I expect much better results from snap on  Fair-Rite chokes
> over Radio Shack chokes?
> 
> Thanks & 73,
> 
> Dick- K9OM


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* Amateur Radio Station AC0HY                    *
* W. Paul Mills         SN807                    *
* Assistant EC Alpha-1 ARES Shawnee/Wabunsee, KS *
* President Kaw Valley Amateur Radio Club        *
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