Ham Radio: Antenna Theory: Smith Charts

[last updated: 2021-07-25]
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• Smith Charts are used to display and visualize impedance as a function of frequency.

• Attribution for Smith Chart photos on this page:


Original-unchanged


center point: Reflection Coefficient = 0
• The horizontal line through the center of the chart is the Impedance line.
  The far left end is Z = 0, corresponding to a short circuit
  At this point the Reflection Coefficient = -1
  The far right end is Z = infinity, corresponding to an open circuit
  At this point the Reflection Coefficient = +1
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• Tutorial:
  https://www.antenna-theory.com/tutorial/smith/chart.php

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