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Logic gate

Discussion in 'General Electronics Discussion' started by Avidestroyer, Jan 18, 2013.

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  1. Avidestroyer

    Avidestroyer

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    0
    Jan 11, 2013
    Can i make logic gate without using relay and transistor?
     
  2. rob_croxford

    rob_croxford

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    Aug 3, 2010
    Diodes
     
  3. Harald Kapp

    Harald Kapp Moderator Moderator

    10,386
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    Nov 17, 2011
    Diodes work.
    You will need transistors to refresh the logic level.
    See here.
     
  4. Avidestroyer

    Avidestroyer

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    Jan 11, 2013
    Is it possible to make a not gate using diod
     
  5. BobK

    BobK

    7,682
    1,686
    Jan 5, 2010
    Yes, but you need a transistor as well.

    Bob
     
  6. Avidestroyer

    Avidestroyer

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    Jan 11, 2013
    Since I am a very beginner in electronics, I wanted to make logic gate using only switching circuit. But I can't suscess.
     
  7. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,412
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    Jan 21, 2010
    You can do it with switches.

    But we really don't know exactly what you want to do.

    What you're asking is a bit like asking "Can I eat without using a fork?" when what you really want is to know where the best Sushi bar in Chicago is located. The question doesn't help the person you're asking give you the answer you want.
     
  8. Avidestroyer

    Avidestroyer

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    Jan 11, 2013
    I want to make a rs flip-flop circuit using switch.
     
  9. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,412
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    Jan 21, 2010
    Easy.

    Use a switch.

    When you push the lever one way, it goes that way and stays that way. Further pushes in that direction do nothing.

    When you push the lever the other way, it goes that way and stays that way. Further pushes in that direction do nothing.

    That is the essence of an SR flip-flop
     
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