lecture5_ee689_sparameter_channels

lecture5_ee689_sparameter_channels - Sam Palermo Analog...

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Unformatted text preview: Sam Palermo Analog & Mixed-Signal Center Texas A&M University ECEN689: Special Topics in High-Speed Links Circuits and Systems Spring 2011 Lecture 5: S-Parameter Channel Models Announcements Reference Material Posted on Website TDR theory application note S-parameter notes 2 Agenda Network analyzer S-parameters Cascading S-parameter models Full S-parameter channel model Transient simulations Impulse response generation Eye diagrams Inter-symbol interference Majority of todays material from Hall Advanced Signal Integrity for High-Speed Digital Designs Chapter 9 3 Interconnect Modeling Why do we need interconnect models? Perform hand calculations and simulations (Spice, Matlab, etc) Locate performance bottlenecks and make design trade-offs Model generation methods Electromagnetic CAD tools Actual system measurements Measurement techniques Time-Domain Reflectometer (TDR) Network analyzer (frequency domain) 4 Network Analyzer 5 Stimulates network with swept-frequency source Measures network response amplitude and phase Can measure transfer function, scattering matrices, impedance, [ Dally ] Transfer Function & Impedance Measurements 6 [ Dally ] Scattering (S) Parameters Why S Parameters?...
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lecture5_ee689_sparameter_channels - Sam Palermo Analog...

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