Video lectures from the iCS group @ IIT Madras

EE6322: VLSI Broadband Communication Circuits, Jan-May 2020

These lectures are available on the web for the benefit of students at IIT Madras and elsewhere. Copyrights to these rest solely with the instructor and IIT Madras. Copying them, publishing them, rehosting them on other servers, or using them for any sort of commercial gain is prohibited.

See this page for information on how to view these videos.

Instructor: Nagendra Krishnapura

Course syllabus, schedule, and assignments can be seen here. If you wish to download these lectures for offline viewing, you may have to disable the player plugin on your browser.

  1. 2020-01-13(pdf): Introduction to the course
  2. 2020-01-14(pdf): Digital data transmission; Introduction to noise and random processes; Mean and variance; Stationarity and ergodicity
  3. 2020-01-17(pdf): Autocorrelation and spectral density of random and deterministic processes; Gaussian distribution
  4. 2020-01-20(pdf): Gaussian distribution, Q function; Resistor noise
  5. 2020-01-21(pdf): Circuit noise calculations; kT/C noise in an RC filter; MOS transistor thermal noise
  6. 2020-01-22(pdf): MOS flicker noise; BJT noise; Input referred noise representation
  7. 2020-01-24(pdf): Spectral density of sampled noise; Bit errors due to jitter; Spectrum of a square wave with jitter
  8. 2020-01-27(pdf): Spectrum of a square wave with jitter
  9. 2020-01-28(pdf): Spectrum of a square wave with jitter; Circuit scaling and noise; Realizing a latch(decision slicer)
  10. 2020-01-31(pdf): Regenerative latch; Need for regeneration; Periodically time-varying behavior
  11. 2020-02-03(pdf): Time varying impulse response of a latch; Dynamic gain; Latch characteristics-setup time, hold time, and clock-to-Q delay
  12. 2020-02-04(pdf): Setup time, hold time, and clock-to-Q delay; Latch variants; Offset and noise
  13. 2020-02-05(pdf): Latch noise
  14. 2020-02-07: Tutorial 1 discussion
  15. 2020-02-10(pdf): Timing constraints on a decision flip-flop; Need for clock recovery; Phase detector for random data
  16. 2020-02-11(pdf): Clock and data recovery; Linear phase detector
  17. 2020-02-12(pdf): Binary phase detector
  18. 2020-02-14: Tutorial 2 discussion
  19. 2020-02-24: Quiz I discussion
  20. 2020-02-25(pdf): Phase and frequency; Phase domain model of a CDR with forwarded clock
  21. 2020-02-26(pdf): Phase domain model of a CDR with forwarded clock; Transfer functions and their interpretation
  22. 2020-02-28(pdf): Jitter tolerance and jitter generation of a CDR with forwarded clock; CDR using a bang-bang phase detector
  23. 2020-03-02(pdf): Clock and data recovery without a forwarded clock
  24. 2020-03-03(pdf): Phase domain model of a CDR without a forwarded clock; Transfer functions
  25. 2020-03-04(pdf): JTOL, JTRAN, JGEN in a CDR without a forwarded clock
  26. 2020-03-06(pdf): Nature of phase noise of a VCO
  27. 2020-03-09(pdf): Phase noise of a VCO; Figure of merit; Jitter generation due to the VCO in a CDR
  28. 2020-03-11(pdf): Bang-bang jitter in a CDR
  29. 2020-03-13(pdf): Bang-bang jitter; Half rate bang-bang phase detector; Digital CDR
  30. 2020-03-16(pdf): Digital CDR without a forwarded clock
  31. 2020-03-23(pdf): Loop filters for a digital CDR without a forwarded clock
  32. 2020-03-23: Tutorial 3 discussion
  33. 2020-03-24(pdf): Serializer and deserializer implementation
  34. 2020-03-24: Tutorial 4 discussion
  35. 2020-03-25(pdf): Data transmission through a channel
  36. 2020-03-27(pdf): Data transmission through a channel; Sampled pulse response of the channel
  37. 2020-03-30(pdf): Intersymbol interference(ISI); ISI limits; Eye diagrams; BER with ISI
  38. 2020-04-02(pdf): Intersymbol interference(ISI); Eye diagrams; Statistical eye; Channel pulse response
  39. 2020-04-03(pdf): Equalization; Continuous-time linear equalizer
  40. 2020-04-03: Quiz II discussion
  41. 2020-04-06(pdf): Equalization in the discrete-time domain; Semidigital equalizer at the transmitter
  42. 2020-04-07(pdf): Equalization; Tx equalization and transmit amplitude; Rx equalization and noise; Cross-talk and effect of equalization
  43. 2020-04-08(pdf):Effect of cross-talk; Decision feedback equalizaation
  44. 2020-04-08: Tutorial 6, 7 discussion
  45. 2020-04-10(pdf): Decision feedback equalizer; Speculative DFE; Half-rate DFE
  46. 2020-04-13(pdf): Receiver architecture; Need for VGA and offset correction; Adaptation; Least mean squares solution to the coefficients of a linear combination
  47. 2020-04-14(pdf): LMS adaptation; Sign-sign LMS
  48. 2020-04-15(pdf): Circuits for serial links-amplifiers;
  49. 2020-04-17(pdf): Circuits for serial links-amplifiers;
  50. 2020-04-20(pdf): Circuits for serial links-latches; CML latch
  51. 2020-04-21(pdf): Circuits for serial links-latches; CMOS latch; Strongarm latch
  52. 2020-04-22(pdf): Circuits for serial links-latches; Dynamic offset of a strongarm latch; Transmit drivers; Current and voltage mode drivers
  53. 2020-04-24(pdf): Circuits for serial links-Current mode transmit drivers
  54. 2020-04-27(pdf): Circuits for serial links-Voltage mode transmit drivers
  55. 2020-04-28(pdf): Voltage mode transmitter with equalization; PAM4 for high speed signaling; Horizontal and vertical eye opening with PAM4