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Re: [RFI] LED lighting

To: Rfi List <rfi@contesting.com>
Subject: Re: [RFI] LED lighting
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sat, 1 Aug 2015 23:39:10 -0700
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On Sat,8/1/2015 4:11 PM, Phil Snyder wrote:
Thanks Jim. There is a "driver" for each light. He has 8 lights total across the front of his house.

I guess I need some education here.

I suggest that you study my RFI tutorial.  k9yc.com/RFI-Ham.pdf

the leads form the "driver" to the light are pretty short. Are you talking about putting the ferrite choke between the light an the driver or would it be on the lead going to the driver. I guess the question is what is actually radiating.

Yes, that is the right question to ask. Usually its the longest wires, because they're the best antennas at HF. That can be the DC leads if they're long, or the 120V side of the noise source.

Am I right to assume that he driver might actually be just a small switching ps?

It almost certainly is a small switching PS.

73, Jim K9YC

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