Title:
SPICE Model Extraction for Signal Integrity Analysis of Unshielded Twisted Pairs from Full Wave Simulation
Author(s):
Rodolfo Araneo, Spartaco Caniggia, Francescaromana Maradei
Source:
EMC-Zurich 2006, 7th International Zurich Symposium on Electromagnetic Compatibility
Vol./Issue/Date:
Year:
2006
Page(s):
336 - 339
Keywords:
Abstract:
Improved SPICE-like macromodels are
proposed to model unshielded twisted pairs (UTPs). The
equivalent SPICE circuits of UTPs cable are obtained by
applying suitable extraction techniques based on the Vector
Fitting procedure to the scattering matrix representation of
the cable. The proposed SPICE models are suitable to
analyze the transmission properties of UTPs taking into
account frequency-dependent losses, proximity effect, and
radiation losses. The characterization of the UTPs cable by
the scattering matrix is here performed by a three
dimensional full-wave numerical tool based on the Finite
Integration technique. The proposed extraction procedures
are absolutely general and can be also applied to measured
scattering parameters. The UTPs SPICE models are
validated by comparing the results with those provided by
the full-wave simulation and by measurements.
Document:
Reference Id:
22
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