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Poorly built drivers, yet again - no EMI suppression. Virtually any switch mode power supply that has no suppression would have done that. The LED driver in vir
by xxs 4y ago
Poorly built drivers, yet again - no EMI suppression. Virtually any switch mode power supply that has no suppression would have done that. The LED driver in virtually all cases is some SMPS.
- mdp2021 4y agoI know one of the tricks to detect flickering: look at the emitter through a camera, e.g. that of a phone. How would you instead check EMI - in general? (I am not a specialist in this area.)
- xxs 4y ago>I know one of the tricks to detect flickering: look at the emitter through a camera, e.g. that of a phone. This would be a really poor driver, effectively using the AC freq. and shutting off w/ each cycle/zero cross. Unfortunately, many are exactly like that. However - some cameras do have compensation for exactly this issue, and they may hide it. >How would you instead check EMI - in general? (I am not a specialist in this area.) Use an AM radio. (That would depend on the frequency and what not, but AM radios are a pretty neat trick to check)
- Am4TIfIsER0ppos 4y ago"Take an electronics testing lab with you next time you go shopping to be sure you're not getting some cheap crap" I miss the days of a restive wire shoved into the AC circuit.