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A comment on Ask HN: Why is coil whine in electronics so prevalent?. Parent comment

Re:Ask HN: Why is coil whine in electronics so prevalent? by weberer on Sunday November 06, 2022 @06:08PM (#33498545)
I hate the 50-60hz flicker, but most people don't seem to notice it or care. Manufacturers don't want to spend the extra 10 cents per unit on a decoupling capacitor.
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Re:Ask HN: Why is coil whine in electronics so prevalent? by xxs on Sunday November 06, 2022 @06:17PM (#33498658)
The capacitor means lower power factor. The flickering ones are a sign of a terrible driver, just avoid them.
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