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High Speed Driver?

Discussion in 'Electronic Design' started by Vladimir Vassilevsky, Mar 17, 2009.

  1. I need to generate the accurate waveform from TTL input. The swing
    should be ~20Vpp, slew rate > 1kV/us, load current ~5mA, top and bottom
    tied to the reference voltage. The switch like that can certainly be
    done with few discrete components, however I wonder if there is a single
    IC solution.


    Vladimir Vassilevsky
    DSP and Mixed Signal Design Consultant
    http://www.abvolt.com
     
  2. Maybe a MOSFET/IGBT gate driver like this one:
    http://ixdev.ixys.com/DataSheet/ixdd408.pdf


    Best regards,
    Spehro Pefhany
     
  3. cassiope

    cassiope Guest

    How "accurate"? How much offset associated with the load current?
    Is the load current predictable? Is there anything about the
    transition
    (beyond slew rate) that is critical?

    My first thought is to use a SPDT analog switch. Parallel as needed
    to get
    low enough resistance. Or maybe a rail-rail output comparator, with
    the
    rails at the reference voltages [do these change?]

    HTH--
     
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