Network Analyzer Error Models and Calibration Methods by Doug Rytting - PowerPoint PPT Presentation

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Network Analyzer Error Models and Calibration Methods by Doug Rytting
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Network Analyzer Error Models and Calibration Methods by Doug Rytting

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  1. Network Analyzer Error Models and Calibration Methods by Doug Rytting

  2. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  3. Network Analyzer Block Diagram

  4. Block Diagram – Forward Direction

  5. Error Model – Forward Direction

  6. Error Model Definitions

  7. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  8. System Model – Forward Direction

  9. Improvements with Correction

  10. Improvements with Correction

  11. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  12. One Port: 3-Term Error Model

  13. One Port: 3-Term Error Model

  14. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  15. 12-Term Error Model

  16. 12-Term Error Model

  17. 12-Term Error Model

  18. 12-Term Error Model

  19. 12-Term Error Model

  20. 12-Term Error Model

  21. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  22. 16-Term Error Model

  23. 16-Term Error Model

  24. 16-Term Error Model

  25. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  26. 8-Term Error Model

  27. 8-Term Error Model

  28. 8-Term Error Model

  29. 8-Term Error Model

  30. 8-Term Error Model

  31. 8-Term Calibration Examples

  32. 8-Term to 12-Term: Forward 12-term model if add 2 crosstalk terms

  33. 8-Term to 12-Term: Reverse 12-term model if add 2 crosstalk terms

  34. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  35. Example: TRL

  36. Example: TRL

  37. Example: TRL

  38. Example: TRL

  39. Example: TRL

  40. Example: TRL

  41. Example: Unknown T, Known A & B

  42. Example: Unknown B, Known A & T

  43. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  44. Measuring S-parametersRemoving Switch Errors

  45. Measuring S-parametersRemoving Switch Errors

  46. Presentation Outline • Network Analyzer Block Diagram and Error Model • System Error Model for Error-Correction • One-Port Error Model and Calibration • Two-Port Error Models and Calibration • 12-Term Method • 16-Term Method • 8-Term Method • 8-Term Examples • Measuring S-parameters • E-Cal • Accuracy of Error-Correction

  47. Electronic Calibration Standards Dave Blackham & Ken Wong

  48. Electronic Calibration Standards are Transfer Standards Definition: Devices that derived their characteristics from measured data relative to primary or physical standards or other transfer standards. Dave Blackham & Ken Wong

  49. First Generation Solid State Electronic Calibrator Transmission Line PIN Diodes Dave Blackham & Ken Wong

  50. Second Generation Solid State Electronic Calibrator Discrete FET Switches PORT B PORT A Dave Blackham & Ken Wong