1. Define System
| Name | Description | Entry Value(s) | Status | Type | Limits | Comment |
| SParamFileA | S-parameter file | File |
Upload a file (Touchstone 1.0 format) or list previously uploaded file. |
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| NumSPortsA | Number of ports | Integer | >= 4 | For S-parameter file | ||
| InPortPositiveA | Input port + (positive side) | Integer | [1, NumSPortsA] | Must be different from the other in and out ports | ||
| InPortMinusA | Input port - (minus side) | Integer | [1, NumSPortsA] | Must be different from the other in and out ports | ||
| OutPortPositiveA | Output port + (positive side) | Integer | [1, NumSPortsA] | Must be different from the other in and out ports | ||
| OutPortMinusA | Output port - (minus side) | Integer | [1, NumSPortsA] | Must be different from the other in and out ports | ||
| SParamFileB | S-parameter file B | File | - | List file that was previously uploaded (Touchstone 1.0 format) | ||
| NumSPortsB | Number of S-parameter ports | Integer | >= 4 | |||
| InPortPositiveB | Input port + (positive side) | Integer | [1, NumSPortsB] | Must be different from the other in and out ports | ||
| InPortMinusB | Input port - (minus side) | Integer | [1, NumSPortsB] | Must be different from the other in and out ports | ||
| OutPortPositiveB | Output port + (positive side) | Integer | [1, NumSPortsB] | Must be different from the other in and out ports | ||
| OutPortMinusB | Output port - (minus side) | Integer | [1, NumSPortsB] | Must be different from the other in and out ports |
2. Setup Analysis
| Name | Description | Entry Value(s) | Status | Type | Limits | Comment |
| AnalysisName | Analysis name | String | Alpha-numeric characters or underbar - case sensitive - start with alpha character | |||
| MeasurementPorts | List of S-parameter ports for measurement | Integer array | [1, NumSPorts] | Must not have duplicate ports. Maximum of 4 entries | ||
| UnWrapPhase | Unwrap phase vs frequency | Integer | [0, 1] | 0 = No; 1 = Yes |
3. Run Analysis
This tool is available for free to use on Windows with the Download button. Contact me if you would like it after the last availability date. This tool is an Add-On and requires the SerDesDesign.com Channel Simulator Download. This Download includes tools to View, Compare, and Combine S-Parameters, Generate Causal S-Parameters and Convert S2P to IBIS S4P files.| Select to run analysis | Waiting to run | ||
| Download Tool | Available until Oct. 2, 2025 |
4. Display Results
| Display | Action |
| Analysis log file | |
| 1. Passivity check | |
| Reflection magnitude | |
| 2. S+in+in | |
| 3. S+out+out | |
| 4. S-in-in | |
| 5. S-out-out | |
| Transmission magnitude | |
| 6. S+out+in | |
| 7. S+out-in | |
| 8. S-out+in | |
| 9. S-out-in | |
| Reverse transmission magnitude | |
| 10. S+in+out | |
| 11. S+in-out | |
| 12. S-in+out | |
| 13. S-in-out | |
| Reverse coupling magnitude | |
| 14. S+in-in | |
| 15. S+out-out | |
| 16. S-in+in | |
| 17. S-out+out | |
| Reflection phase | |
| 18. S+in+in | |
| 19. S+out+out | |
| 20. S-in-in | |
| 21. S-out-out | |
| Transmission phase | |
| 22. S+out+in | |
| 23. S+out-in | |
| 24. S-out+in | |
| 25. S-out-in | |
| Reverse transmission phase | |
| 26. S+in+out | |
| 27. S+in-out | |
| 28. S-in+out | |
| 29. S-in-out | |
| Reverse coupling phase | |
| 30. S+in-in | |
| 31. S+out-out | |
| 32. S-in+in | |
| 33. S-out+out |