how fine and coarse works logically inside AC voltage source?

Discussion in 'General Electronics Chat' started by rocon123, Dec 29, 2015.

  1. rocon123

    Thread Starter New Member

    Jun 26, 2015
    27
    0
    I am using AC voltage source. i have seen there is fine and coarse tuning available on interface. I am making an inverter now. I am wondering for inside logic for this fine coarse mechanism. help.
     
    Last edited: Dec 29, 2015
  2. sailorjoe

    Member

    Jun 4, 2013
    361
    63
    You can expect that the two adjustments are just two different variable resistors, one with a wide range, and the other with a small range. They could even be placed in series in a circuit that controls the output voltage. Then again, there lots of other ways to do it.
     
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