[RFI] LED Bulbs
David C. Hallam
dhallam at knology.net
Mon Feb 10 13:48:55 EST 2014
I may have made an unwarranted conclusion, but I assumed the LED were
substituted for halogen without any other changes. I will see if I can
get a clarification on that point. Would a change in bulb types make
any difference in the RFI being generated?
David
KW4DH
On 2/10/2014 1:14 PM, Jim Brown wrote:
> On 2/10/2014 11:07 AM, Dave Cole wrote:
>> Who would have thought the LED's could radiate so far?
>
> It's not the LEDs, it's the wires (antennas) connected to the
> switching power supply for the LEDs. This should come as no surprise
> to any ham -- switching power supplies are generators of RF trash,
> that puts RF current on those wires, and like any other antenna, those
> wires radiate the trash.
>
> Thank you VERY much for posting details of part numbers and vendors
> for the bad products.
>
> 73, Jim K9YC
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