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4796Impedance Matching Transformers

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  • James P. Rybak <jrybak@mesastate.edu>
    Feb 2, 2003
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      I know that the impedance matching ability of a transformer goes like
      the square of the turns ratio. However, if I want to have, say, a
      25:1 impedance transformation, I could use, in principle, any of the
      following number of turns which have a five-to-one ratio:

      5 and 1
      50 and 10
      500 and 100
      etc. (There are actually an infinite number of combinations)

      How do I know what number of turns to use on the primary and
      secondary sides of my transformer if I'm winding my own transformer?

      Thanks.

      Jim Rybak
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