[RFI] Common mode noise

Pete Smith N4ZR n4zr at contesting.com
Thu Mar 1 03:30:12 PST 2012


In the meantime, I realized that I have a 3 amp 12v linear supply 
sitting almost unused in the shack.  That's better on a couple of counts.

73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000


On 2/29/2012 6:12 PM, Jim Brown wrote:
> On 2/29/2012 8:58 AM, Pete Smith N4ZR wrote:
>> I just thought this might be useful info for someone else out there,
> Yes, indeed. In addition to Dale's  comments, I would reinforce the fact
> that a very high percentage of RF noise appears as a common mode signal
> on interconnecting cables, and that the addition of a good common mode
> choke that is resonant near the frequency(ies) of interest is always a
> good first step.
>
> 73, Jim Brown K9YC
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
>


More information about the RFI mailing list