40-pulses Monoshot (200ms/1A) design_help

Discussion in 'The Projects Forum' started by vinodquilon, Nov 21, 2014.

  1. vinodquilon

    Thread Starter Member

    Dec 24, 2009
    234
    0
    Help me to design a Monoshot with the following specifications

    1. 200ms pulse width
    2. Magnitude 0.5V steps in 0-20V range (total 40 pulses). That is 0,0.5V, 1V, 1.5V,......,19.5V & 20V.
    3. capacity to drive maximum 1A load.
     
  2. GopherT

    AAC Fanatic!

    Nov 23, 2012
    6,043
    3,807
    I just figured out a rather clever way to do something similar this afternoon. No Microcontroller needed. What will you use this for?
     
  3. Sensacell

    Well-Known Member

    Jun 19, 2012
    1,130
    266
    Charge pump, with a comparator to tell it when to stop?
     
  4. vinodquilon

    Thread Starter Member

    Dec 24, 2009
    234
    0
    In order to do the Step Method for PickUp/Pull In Voltage measurement of Relays.
     
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