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A high power current amplifier circiut?

  1. Feb 18, 2012 #1
    A high power current amplifier circiut???

    Hi everyone!
    My research field is robotics and in one of my designs, i need to amplify a minor current to a current with very high amplitude (power amplifier). it almost could be able to amplify 0.5A to 20A. and as my robot is a mobile robot, such smaller circuit which is your suggest, must be compact as much as possible ans implemented in a restricted area!!!!

    can you help me to find such circuit? Of course due to its probable usage in a scientific paper please mention the design reference

    thank you
  2. jcsd
  3. Feb 18, 2012 #2
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