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The illustration shows a circuit where two points are marked on the transmission line at distances d sub min and d sub max from output node A. The distance between input node D and output node A is 3.3 lambda, with A connected to a load of Z sub L equals 0.5 plus j 1.

The Smith chart shows families of r sub L and x sub L circles. Point A representing z sub L is marked in the upper part of the chart at d equals 0.135 lambda, theta sub r equals 83 degrees, and the absolute value of gamma equals 0.62. Point E is marked to the right of A in the upper part of the chart, representing y sub in. Point B representing the absolute value of V-tilde sub max is marked on the positive x-axis at d equals 0.25 lambda and S equals 4.26. Point D is marked in the lower part of the chart, representing z sub in, with d equals 0.435 lambda. And point C is marked on the negative x-axis, representing the absolute value of V-tilde sub min. An origin centered circle is drawn, passing through the above 5 points.