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Final Presentation Stas G. Alex A. guided by Meir Nakar

Final Presentation Stas G. Alex A. guided by Meir Nakar. Goals. Introduction to Signal Integrity Build a PCB to demonstrate SI phenomena Prepare an experiment lab. Phases & Goals. Theory Study and Practice Hardware and Software Tools (TDR, ICX) SI Design – Exercise Preparation

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Final Presentation Stas G. Alex A. guided by Meir Nakar

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  1. Final Presentation Stas G. Alex A. guided by Meir Nakar

  2. Goals • Introduction to Signal Integrity • Build a PCB to demonstrate SI phenomena • Prepare an experiment lab

  3. Phases & Goals • Theory Study and Practice • Hardware and Software Tools (TDR, ICX) • SI Design – Exercise Preparation • Schematic, Layout and Fabrication PCB Wide Set of Measurements and Simulations Building an Academic High Speed Experiment Lab 1st semester 2nd semester

  4. Signal integrity concepts : Capacitance and inductance Crosstalk: mutual capacitance and mutual inductance Termination: end, middle and source Other termination topologies: bifurcated lines Daisy chaining Theory

  5. Hardware and Software Tools TDR ICX

  6. SI Design Ten test-cases demonstrate various SI phenomena Each case has specific topology

  7. Schematic, Layout and Fabrication Schematic Layout Fabrication

  8. PCB Measurmentsand Simulations End Termination ICX vs TDR risetime: 628 ps

  9. PCB Measurmentsand Simulations End Termination TDR reflection vs risetime

  10. PCB Measurmentsand Simulations middle termination: ICX (rise time = 0.35n):

  11. Lab Structure... ICX practice TDR practice Theory and questions TDR study ICX study

  12. Theory and Questions • Introduction to the signal integrity world • Basic elements: capacitance and inductance • Reflection • Terminations • Transmission line topologies • Questions

  13. TDR Study • General overview • TDR vs. Oscilloscope • Precautions • TDR capabilities and functions

  14. ICX Study & Practice • ICX as a simulation tool • Building circuits in ICX electrical editor: • Inserting new devices • Creating connections • Changing parameters in ICX: • Resistance of line • Device model • Basic simulations

  15. ICX Practice ... • 1st part ~3 hours • Three test cases: • Capacitance experiment • Reflection - end termination • Bifurcated lines

  16. Tasks and simulations Comprehensive questions Summary questions Detailedinstructions

  17. TDR Practice... • 2nd part of the lab ~5 hours • Four test-cases: • End termination • Bifurcated lines • Capacitance measure • Inductance measure

  18. TDR Practice (Continued) • Assignments • Step by step instructions

  19. TDR Practice • Assignments and questions

  20. Recommendations • Performing the lab by a group that Signal Integrity field is new for them, • so are TDR and ICX tools

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