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Do you often hear the ringing of switching power supplies and devices when you are in a quiet space? (self.asklemmy)

submitted 9 months ago* (last edited 9 months ago) by j4k3 to c/[email protected]

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I'm curious, how many people are aware of these sounds. I have designed, etched, and built my own switching power supplies along with winding my own transformers. I am aware of the source of the noise. So, does anyone else hear these high frequency sounds regularly?

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[–] [email protected] 11 points 9 months ago (2 children)

I just remembered that the Dell docking station I’m using makes a sound when it processes data. I can literally hear my mouse move.

Don’t buy Dell.

[–] [email protected] 2 points 9 months ago

My Dell does that! If I load a large image, 'squeal'! Bought it used though, and anytime someone sells something, there's a reason they're selling it.

[–] [email protected] 2 points 9 months ago

FFS, that's what that sound at work is...