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Bar-graph display ?

Discussion in 'Electronic Basics' started by Guest, Jul 27, 2003.

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  1. Guest

    Guest Guest

    There is a circuit for a bar-graph display,

    The circuit has a diode between the input an pin 5
    amd is described to have an input range of 0 to 1

    My question is wouldn't the input range have to
    start at 0.6 Volts due to the diode ?
  2. cpemma

    cpemma Guest

    Yes, but the diode isn't needed, the 3915 can handle the negative-going part
    of the wave without false output.
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