EEVblog #33 2of2 - Capacitor Tutorial (Ceramics and impedance)
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all I can say is WOW!!!!!!!!
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These videos are fantastic. I'm studying up on electronics for my audio engineering college course coming up and these are a huge help!
Thanks!
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I like this guy! Good video, very informative! Thanks for this!
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Great Help, I needed to use a 555 timer at 50 hz, I looks ok!
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This guy is great. He's passionate and loves his job. We need some guys like him in France.
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what do you know about Nikola Tesla electric car the arrow, they say it had 1 car battery that could be driven on everyday and that he used a super capacitor and had a 6 foot antenna that stuck up in the air in the back of his car. could the antenna have been a micro phonic capacitor?
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Y5V tolerance isn't -82%, it's +82%! Though it's still -20%ish...
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@lucasmontec Depends on the application.
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I have not heard of microphonics in capacitors before, but I have experienced it with cables. Quite a few times when handling a cable connected to a piece of audio equipment, I could hear the sound of the cable being moved comming out though the speakers, as if there was a microphone connected to it whitch of course there wasn't!
CoolDudeClem 2 months ago
@CoolDudeClem Yes, in cables it's called the Triboelectric effect.
EEVblog 2 months ago
I have no training in electronics and this whole video was over my head but I have a question about the microphonic effect. Does this mean that if an electronic device is exposed to vibration regularly (i.e. my cell phone on the dash in my truck), it will put some unexpected stress on the circuitry and shorten the life of the device?
rottenapple02 2 years ago
It can, yes.
Although products like that are usually vibration tested at the design stage. They have to meet certain minimum requirements in order to be transported by road and air to the end user without being damaged for starters. There are industry standards for this.
EEVblog 2 years ago