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Network Analyzer Error Models and Calibration Methods by Doug Rytting

Network Analyzer Error Models and Calibration Methods by Doug Rytting. 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

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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

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