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

submitted 9 months ago* (last edited 9 months ago) by j4k3@lemmy.world to c/asklemmy@lemmy.ml

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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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[–] Beeps@lemmy.world 14 points 9 months ago (4 children)

Do you remember when you could hear text messages over your speakers before getting the on-phone alert?

[–] Landless2029@lemmy.world 5 points 9 months ago (1 children)

Freaking Nokias man... haha

[–] Beeps@lemmy.world 8 points 9 months ago (1 children)

And it was these speakers

[–] walden@sub.wetshaving.social 10 points 9 months ago

They may not look very nice, but at least they didn't sound very good.

[–] Maestro@kbin.social 4 points 9 months ago

Yup, I remember that 😄

[–] GBU_28@lemm.ee 2 points 9 months ago (1 children)

This

https://youtu.be/gpQS41WQSPY?si=YMkKfAtS_yoUM9X1

[–] PipedLinkBot@feddit.rocks 1 points 9 months ago

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[–] brbposting@sh.itjust.works 1 points 9 months ago