[RFI] LED Bulb RFI

Jim Brown jim at audiosystemsgroup.com
Thu Jul 8 13:20:41 EDT 2021


On 7/7/2021 10:19 AM, Kenneth Wyatt via RFI wrote:
> Hi All, I just published the results of some measurements I took recently of conducted emissions from LED bulbs. There’s one big surprise at the end...
> 
> https://www.edn.com/comparing-conducted-emissions-from-led-lamps/  <https://www.edn.com/comparing-conducted-emissions-from-led-lamps/>

Did you measure the common mode CURRENT? That's what's responsible for 
most of the radiation from a cable, and with most equipment running from 
mains power is on the Equipment Ground (the Green Wire), thanks to 
improper or faulty manufacturing.

73, Jim K9YC


More information about the RFI mailing list