3D Simulations for Signal Integrity
3D Simulations for Signal Integrity
3D Simulations for Signal Integrity
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Interpolating Sweep<br />
� This method fits s-parameter p data to a rational<br />
polynomial transfer function using a minimum number of<br />
discrete finite element method (FEM) solutions.<br />
� Th The interpolating i t l ti sweep yields i ld th the poles l and d zeros of f th the<br />
transfer function. ( )( 1 ) ( 1)<br />
( )( ) ( )<br />
...<br />
βq<br />
s − zq<br />
s − zq−<br />
s − z<br />
S =<br />
α ( s − p )( s − p ) ... ( s − p ) s p s p α<br />
− −<br />
1 s − q q−<br />
See: IEEE Trans. Microwave Theory Tech., Vol. 46, No. 9, Sept. 1998<br />
q<br />
1
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