Forum Discussion
SCVJeff
Oct 02, 2015Explorer
westend wrote:I got a call from CREE today asking for a conf call with me, their engineering staff, and the UL Lab boys. Apparently they went out and bought LED's at random stores and ran them over to UL for analysis and guess what?.......SCVJeff wrote:
I should post one of the screen grabs if you know how to read them, you wouldn't be happy..
Analyzer center freq set at 500MHz with a 500MHz Span. The ENTIRE noise floor comes up 30db+... I can easily see it sitting on the curb in the street.. My fix was a trip to ALL Electronics and bought 3 chokes for each lamp: AC in, regulator out, LED in. It made a HUGE difference. It just irritates the He|| out of me that I should have to do their work for them, and worse, they are selling these by the thousands to unsuspecting folks.
Yeah, raising the whole noise floor 30 db would be unacceptable to anyone. Aren't the lamps UL listed? Do they have a FCC Class rating like a power supply or transformer?
This should be a good call .. :@
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