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Inverter performance

Discussion in 'Electronic Basics' started by lerameur, Sep 15, 2008.

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  1. lerameur

    lerameur Guest


    I made two inverter circuit:
    My goal is to have about 33-33v in the output to drive some mosfets.
    I am not about which circuit is more stable, the one with OP amp or
    the one below with just the Mosfets.
    The problem with the CMOS inverter is that I need three steps instead
    of two. Mainly because the gate voltage is not high enough, but I
    cannot put it higher then 12v.
    As for the OPAMP circuit, I can use the MC34071 OPAMP which has a max
    of 44v supply.
    Which circuit should I use, or any modification to be done ?


  2. lerameur

    lerameur Guest


    Ok, I modified the circuits, let me know if this is what you meant.
    So the better circuit will be the CMOS gate.

  3. lerameur

    lerameur Guest

  4. lerameur

    lerameur Guest

    The second link I posted above :)

  5. lerameur

    lerameur Guest


    I put the OPAMP in parallel, the problem is what you mentioned
    earlier about the slow slew rate.
    Also about the second circuit, I understand about putting them in
    parallel , but I am not sure what you mean by " level shifting for
    the first stage"

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