Quote:
Originally Posted by ppppenguin
Some LEDs using rectified mains have flicker that's as bad as fluorescents. Others use high frequency or smoothed DC and are safe with machinery. Then you often get radio interference from HF designs.
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I've yet to run across a shop type fixture that uses smoothed(filtered DC) here in the US. I would imagine that would kill the efficiency, although I would prefer a less efficient linear DC supply for area's where rf interference is critical. I suppose one could tare into the circuitry and modify the power supply to ones own liking.