Posted by jaime_schunkewitz on
URL: https://www.es-forum.com/Compact-fluorescents-tp1543351p1543460.html

I called Creed, they don't use switching power supplies for
their LED light bulbs. So the circuit must look something like
those shown here (see "AC Line powered LEDs":
www.ourworld.compuserve.com/homepages/Bill_Bowden/page10.htm

These LED drivers are switching, and produce RF noise. But
they regulate the current to the LEDs.
www.leddynamics.com/LuxDrive/drivers.php