How does a transistor work? Our lives depend on this device.
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When I mentioned to people that I was doing a video on transistors, they would say “as in a transistor radio?” Yes! That’s exactly what I mean, but it goes so much deeper than that. After the transistor was invented in 1947 one of the first available consumer technologies it was applied to was radios, so they could be made portable and higher quality. Hence the line in ‘Brown-eyed Girl’ – “going down to the old mine with a transistor radio.”

But more important to our lives today, the transistor made possible the microcomputer revolution, and hence the Internet, and also TVs, mobile phones, fancy washing machines, dishwashers, calculators, satellites, projectors etc. etc. A transistor is based on semiconductor material, usually silicon, which is ‘doped’ with impurities to carefully change its electrical properties. These n and p-type semiconductors are then put together in different configurations to achieve a desired electrical result. And in the case of the transistor, this is to make a tiny electrical switch. These switches are then connected together to perform computations, store information, and basically make everything electrical work intelligently.

Special thanks to PhD Comics for awesome animations:

And thanks to Henry Reich and Vanessa Hill for reviews of earlier drafts of this video.

Music: Kevin MacLeod (incompetech.com) Decisions

Nguồn: https://nhadattv.net

Xem thêm bài viết khác: https://nhadattv.net/kinh-doanh/

36 Comments

  • Sapphiregriffin
    Posted May 25, 2020 4:56 am

    why do all "how do transisters work" videos have balls with arms…

  • Knuckle Down Boxing
    Posted May 25, 2020 4:56 am

    u look like an idiot inside that poop ball holding two poops and you look like a big poop.

  • johnchild61
    Posted May 25, 2020 4:56 am

    This was a MOSFET transistor not a normal transistor pnp or npn junction transistor

  • MiningwithPudding
    Posted May 25, 2020 4:56 am

    So… I was assigned to watch this video as part of an online class, and turns out I had already liked the video from… who knows how long ago.

  • Phasor Systems
    Posted May 25, 2020 4:56 am

    Try out my circuit simulator? Thanks! Find androidcircuitsolver on google

  • Scott Nilsson
    Posted May 25, 2020 4:56 am

    I just built a calculator in minecraft

  • William Pryor
    Posted May 25, 2020 4:56 am

    its 2020 and we're all rocking phones with 7nm chips. Pretty crazy.

  • Andy Goh
    Posted May 25, 2020 4:56 am

    Now I know P does not equal to + and vice versa… Thanks for the clearing this up with a nice demo. Watched over 10 videos and can't understand how you get + and – charge carriers…

  • K V
    Posted May 25, 2020 4:56 am

    Silicun, Borun, Neeun

  • jim shrestha
    Posted May 25, 2020 4:56 am

    Veritasium would make an awesome professor. Thanks for simple and fun explanation.

  • YoongiStan
    Posted May 25, 2020 4:56 am

    wow this is the first time I'm able to understand semiconductors, other videos make it so complicated!!

  • Ignacio Lopez
    Posted May 25, 2020 4:56 am

    I loved the Swiss reference.

  • Finn Austin
    Posted May 25, 2020 4:56 am

    Down to 3-5nm

  • Fictional Engineer
    Posted May 25, 2020 4:56 am

    Me from future 2020 saying transistors are just 6.5nm wide

  • Tiktok trending
    Posted May 25, 2020 4:56 am

    And 5 nm in 2020……what next 🧐

  • Sree
    Posted May 25, 2020 4:56 am

    Just wow

  • Maurício Foz
    Posted May 25, 2020 4:56 am

    Is this supposed to be sexy? All I saw was this guy holding his balls.

  • Swankdaddy
    Posted May 25, 2020 4:56 am

    What tells a voltage to be supplied to the gate. What controls this?

  • Officer Smiles
    Posted May 25, 2020 4:56 am

    great video, thank you!

  • Sukhdev Singh
    Posted May 25, 2020 4:56 am

    What;supppppppppppp😂

  • Akash Singh
    Posted May 25, 2020 4:56 am

    It's almost 7 years.

    And now we even have a solution for this
    Thanks to quantum computers

  • KittyGaming123
    Posted May 25, 2020 4:56 am

    iphones are better than computers but have 1/10 the transistors. wow

  • Sabrina Sarah
    Posted May 25, 2020 4:56 am

    oww amazing discussion

  • Lanka Sri
    Posted May 25, 2020 4:56 am

    Complicated cant understand

  • Sneaky Turtle
    Posted May 25, 2020 4:56 am

    Dat Bol suit fresh doe

  • EXHALER Wolf
    Posted May 25, 2020 4:56 am

    Better explained than my actual college classes

  • Engr. Farseem Riasat
    Posted May 25, 2020 4:56 am

    EXCELLENT SIR. FROM BANGLADESH

  • Wilver Rivera
    Posted May 25, 2020 4:56 am

    Wilver Rivera Periods 5 & 6

  • Swankdaddy
    Posted May 25, 2020 4:56 am

    So … what is the switch that is used to apply the small positive voltage to the gate that makes the transistor act as a switch?

  • JonnyWisdom
    Posted May 25, 2020 4:56 am

    Fair play. I am an electrical engineer with a Bachelors and Master degrees. If I had videos like this whilst studying, life would have been so easy. It's nice to sit back and watch these videos knowing that my visualization and thinking was correct, if not hard earned.

  • Wisdom
    Posted May 25, 2020 4:56 am

    Pls make a video on digital electronics

  • Bleedingreen
    Posted May 25, 2020 4:56 am

    But why do we need to double the transistors whatsoever? Why can't we use these the next ten years also?

  • Tyler C
    Posted May 25, 2020 4:56 am

    1:17 How would the Silicon atoms bond together? They can not give or take any electrons so the only option is sharing. If they were to share a valance shell how would that even work?

  • FLÂNEUR
    Posted May 25, 2020 4:56 am

    In 2020 are 5nm 🤯

  • Mohamed Mohammed
    Posted May 25, 2020 4:56 am

    Now, 7 years since video was made. 🤔

  • Nilima Shrivastava
    Posted May 25, 2020 4:56 am

    At, 2:26 holes are more than that of electron(they are not lesser than electron)
    Because you're doping it with boron which is trivalent
    I got the point you were making but,no if holes responsible for( conduction ) is greater than no of electrons responsible for conduction.

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