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Old Style Op Amp

Discussion in 'General Electronics Discussion' started by tedstruk, Jan 20, 2018.

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  1. tedstruk

    tedstruk

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    Jan 7, 2012
    back in the days of pc boards and splices... When the circuit required an operational amplifier, you stuck a transistor in parallel with the base and collector and that was it.

    so I am buttoning up my new monster guitar.

    I don't know how I got it all on that one little chip...
    Or how I am going to get all the wiring in the cavity...

    But it is producing some real wild wave forms on my automobile scope...

    I need hear some gargling from the masters though....

    I am attaching a little pic for you to visuallize.

    I remember a couple things about this op amp thing, the first one is that if you have a chip use it, and the second that it requires some kind of buffer....
    well maybe I don't remember so well !!!

    View attachment 38761
     
  2. AnalogKid

    AnalogKid

    2,297
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    Jun 10, 2015
    Which dressing would you like with that word salad?

    W.h.a.t. in the world are you talking about?

    ak
     
    davenn, Arouse1973 and (*steve*) like this.
  3. tedstruk

    tedstruk

    475
    7
    Jan 7, 2012
    My little OP amp isn't all there...
    I can't remember where the resistor went, or what the formula was for getting the value...
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    Do you have any idea what you're talking about?

    Because we don't.
     
  5. AnalogKid

    AnalogKid

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    Jun 10, 2015
    Ya know, I just gonna let that one slide...
     
    davenn likes this.
  6. BobK

    BobK

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    Jan 5, 2010
    He is calling a voltage follower an op amp.

    Bob
     
  7. davenn

    davenn Moderator

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    Sep 5, 2009
    OK that's enough :rolleyes:


    thread is done
     
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