Voltage reduction w/o amperage reduction

Discussion in 'General Electronics Chat' started by cgc210, Jan 25, 2013.

  1. cgc210

    Thread Starter New Member

    Aug 18, 2008
    2
    0
    Can anyone out there tell how to reduce voltage in a DC circuit without also reducing the amperage.

    Thanks
     
  2. THE_RB

    AAC Fanatic!

    Feb 11, 2008
    5,435
    1,305
    The goal is to keep the current the same, regardless of what the voltage is.

    That is normally called a "constant current circuit" or "constant current driver".

    A google search (or search this forum) would give a lot of examples.

    Normally it is done very simply with two transistors and some resistors, or with a transistor, some diodes and resistors. :)
     
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