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Importance of the LNA

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  1. Importance of the LNA

  2. Importance of the LNA Friis’ Formula

  3. Importance of the LNA Friis’ Formula Digital Electronics CMOS LNA Low Cost High Integration Integration With Digital IC X Larger Parasitic Capisitance

  4. Importance of the LNA Friis’ Formula RF Hexagon Digital Electronics CMOS LNA Low Cost High Integration Integration With Digital IC X Larger Parasitic Capisitance

  5. Why Inductive Degenerated LNA? 2-Port Noise Theory

  6. Why Inductive Degenerated LNA? 2-Port Noise Theory

  7. Why Inductive Degenerated LNA? 2-Port Noise Theory CMOS small signal equivalent

  8. Why Inductive Degenerated LNA? 2-Port Noise Theory CMOS small signal equivalent Thermal Noise Contribution

  9. Why Inductive Degenerated LNA? 2-Port Noise Theory CMOS small signal equivalent Thermal Noise Contribution

  10. Why Inductive Degenerated LNA? 2-Port Noise Theory CMOS small signal equivalent Thermal Noise Contribution X Power Matching

  11. Inductive Degenerated LNA Inductive Source Degeneration Input Power Matching Bond Wire Inductance

  12. Inductive Degenerated LNA Inductive Source Degeneration Small Signal Equivalent Input Power Matching Bond Wire Inductance

  13. Inductive Degenerated LNA Inductive Source Degeneration Small Signal Equivalent Input Power Matching Bond Wire Inductance Power Matching

  14. Inductive Degenerated LNA Inductive Source Degeneration Small Signal Equivalent Input Power Matching Bond Wire Inductance Power Matching

  15. Inductive Degenerated LNA Inductive Source Degeneration Small Signal Equivalent Input Power Matching Bond Wire Inductance Power Matching

  16. Definitions Basic Equation of MOS Drain

  17. Definitions Basic Equation of MOS Drain

  18. Definitions Basic Equation of MOS Drain

  19. Definitions Basic Equation of MOS Drain

  20. Definitions Basic Equation of MOS Drain Long Channel Short Channel

  21. Inductive Specified Technique 1st step: Setting the value of Ls

  22. Inductive Specified Technique 1st step: Setting the value of Ls 2nd step: Finding the value of ωt.Ls From Impendance Matching:

  23. Inductive Specified Technique 1st step: Setting the value of Ls 2nd step: Finding the value of ωt.Ls From Impendance Matching: 3rdstep: Finding the optimum Qs

  24. Inductive Specified Technique 1st step: Setting the value of Ls 2nd step: Finding the value of ωt.Ls From Impendance Matching: 3rdstep: Finding the optimum Qs 4th step:Finding the value of Lg From Impendance Matching:

  25. Inductive Specified Technique 1st step: Setting the value of Ls 2nd step: Finding the value of ωt.Ls From Impendance Matching: 3rdstep: Finding the optimum Qs 4th step:Finding the value of Lg From Impendance Matching: 5th step: Finding the optimum Cgs From Impendance Matching:

  26. Inductive Specified Technique 6th step: Finding the optimum device’s width Wopt,Ls

  27. Inductive Specified Technique 6th step: Finding the optimum device’s width Wopt,Ls 7th step:Finding the optimum device’s transconductance gm.opt.Ls From Impendance Matching:

  28. Inductive Specified Technique 6th step: Finding the optimum device’s width Wopt,Ls 7th step:Finding the optimum device’s transconductance gm.opt.Ls From Impendance Matching: 8th step:Finding the optimum ρand Vod !

  29. Inductive Specified Technique 6th step: Finding the optimum device’s width Wopt,Ls 7th step:Finding the optimum device’s transconductance gm.opt.Ls From Impendance Matching: 8th step:Finding the optimum ρand Vod ! 9th step:Finding the current consumption ID.Ls

  30. Current Specified Technique 1st step: Setting the current consumption ID

  31. Current Specified Technique 1st step: Setting the current consumption ID 2nd step:Finding the optimum ρand Vod

  32. Current Specified Technique 1st step: Setting the current consumption ID 2nd step:Finding the optimum ρand Vod 3nd step:Finding the optimum Qs From 2nd Step:

  33. Current Specified Technique 1st step: Setting the current consumption ID 2nd step:Finding the optimum ρand Vod 3nd step:Finding the optimum Qs From 2nd Step: 4th step: Finding the optimum device width Wopt,I From 3rd Step & Impendance Matching:

  34. Current Specified Technique 1st step: Setting the current consumption ID 2nd step:Finding the optimum ρand Vod 3nd step:Finding the optimum Qs From 2nd Step: 4th step: Finding the optimum device width Wopt,I From 3rd Step & Impendance Matching: 5nd step: Finding the value of ωt.I From 2nd Step:

  35. Current Specified Technique 6th step:Finding the optimum device transconductance gm.opt.I From 2nd , 3rd Step & Impendance Matching:

  36. Current Specified Technique 6th step:Finding the optimum device transconductance gm.opt.I From 2nd , 3rd Step & Impendance Matching: 7th step:Finding the optimum Cgs From 5th , 6th Step :

  37. Current Specified Technique 6th step:Finding the optimum device transconductance gm.opt.I From 2nd , 3rd Step & Impendance Matching: 7th step:Finding the optimum Cgs From 5th , 6th Step : 8th step:Finding the optimum Ls From 6th , 7th Step & Impendance Matching:

  38. Current Specified Technique 6th step:Finding the optimum device transconductance gm.opt.I From 2nd , 3rd Step & Impendance Matching: 7th step:Finding the optimum Cgs From 5th , 6th Step : 8th step:Finding the optimum Ls From 6th , 7th Step & Impendance Matching: 9th step:Finding the optimum Lg From 6th , 7th Step & Impendance Matching:

  39. Comparison Results • Inductive Specified Technique

  40. Comparison Results • Inductive Specified Technique

  41. Comparison Results • Inductive Specified Technique Parameters:

  42. Comparison Results • Inductive Specified Technique @ 1.6 GHz ID= 1.7mA Vod=120mV

  43. Comparison Results • Inductive Specified Technique @ 2.5 GHz ID= 1.1mA Vod=120mV

  44. Comparison Results • Inductive Specified Technique @ 5.5 GHz ID= 0.5mA Vod=120mV

  45. Comparison Results • Inductive Specified Technique Vod ≤ 150 mV

  46. Comparison Results • Inductive Specified Technique @ 1.6 GHz ID= 2.4mA Vod=138mV

  47. Comparison Results • Inductive Specified Technique @ 2.5 GHz ID= 1.5mA Vod=138mV

  48. Comparison Results • Inductive Specified Technique @ 5.5 GHz ID= 0.7mA Vod=138mV

  49. Comparison Results • Inductive Specified Technique Vod ≤ 150 mV