Help for Smith V3.10 - Fritz Dellsperger

Stability-Circles
Select menu „Tools“, „Circles“ or shortcut “Ctrl+T”
or click button in toolbox and select tab „Stability“.
Select Input plane or Output plane.
Enter S-parameter or import parameter from a file.
Click “Draw”.
Continue with entering S-parameter for next circle. Click “Draw”, etc.
Stability circles are labeled with „Sn“. n is the number of the circle, starting with number 1.
If the circle lies outside the Smith-Chart zoom out.
The Stability-Circles are described in window “Circles” with following data:
� Number Sn of circle
� Input or output plane
� Stable inside or outside of the circle
� Stability factor K
� S-Parameter
� Frequency 1)
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