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VLSI Broadband Communication Circuits

IIT Madras, , Prof. Nagendra Krishnapura

Updated On 02 Feb, 19

Overview

Contents:
Introduction to broadband digital communication,Introduction to broadband digital communication,Serializers and deserializers,Forgot to hit "record"!,CMOS logic, single ended data transmission, limitations,Current mode logic-basic circuit design,Current mode logic-MUX, XOR, latch,Current mode logic-latch design,Current mode logic-latch characteristics,Low pass transmission channel-Intersymbol interference, error rateFirst order channel model, ISI

ISI, jitter, eye opening,Channel characteristics-Intersymbol interference, Crosstalk,Equalizer design,Equalizer design-minimizing the residual error,Equalization-Effect on noise and crosstalk, Tradeoffs between equalization at Tx and Rx; Design of Tx equalizers,Design of Transmit equalizers using flip-flops and transconductors,Tx equalizer-design considerations,Tx equalizer-design considerations; realizing variable coefficients,Differential pair-effect of tail node capacitance; Continuous time equalization,Continuous-time equalizer realization; replica biasing for the tail current source

Assignment 2 discussion,Replica biasing, optimizing transmitter swing,Replica biasing, optimizing transmitter swing,Analog layout optimization; Equalization at the receiver,Equalization at the receiver; Basics of adaptation,LMS adaptation,Sign-sign LMS adaptation,LMS implementation details,Adaptive equalizer implementation, S/H based equalizer, obtaining the gradients,Mid term discussion; Multiplexed and demultiplexed PRBS sequences; Latch vs. amplifier; Zeros for pre- and post- cursor equalization; Echo cancellation,Decision feedback equalizers-elimination of noise enhancement; Error propagation,Decision feedback equalizers-bit error rate,Decision feedback equalizers-implementation issues, Assignment 3 discussion

Decision feedback equalizers-implementation issues,Introduction to clock and data recovery-Frequency multiplication using a phase locked loop,Type I PLL; derivation of the phase model of the PLL; Tri state phase detector,(continued) Type I PLL; derivation of the phase model of the PLL; Tri state phase detector,Type I PLL; Reference feedthrough; Tradeoff between reference feedthrough and lock range,Stability of feedback loops; Derivation of the type II PLL

Realization of type II PLLs-charge pump, loop filter,Reference feedthrough in a type II PLL; Phase detector for random data,Linear phase detector for random data,Linear phase detector; Transfer functions in a PLL,PLL review,Binary phase detectors; bang bang jitter,Miscellaneous topics-Optimal equalizers; Linearity assumption of PLL model; PLL capture phenomenon; Hogge phase detector offset correction

Includes

Lecture 34: lecture34 - Decision feedback equalizers - implementation issues

4.1 ( 11 )


Lecture Details

Video Lecture Series by IIT Professors ( Not Available in NPTEL)
VLSI Broadband Communication Circuits
By Prof. Nagendra Krishnapura

For more video Lectures .... www.satishkashyap.com
For free ebooks ...... www.ebook29.blogspot.com


1. Introduction to broadband digital communication
2. Introduction to broadband digital communication
3. Serializers and deserializers
4. Forgot to hit "record"!
5. CMOS logic, single ended data transmission, limitations
6. Current mode logic-basic circuit design
7. Current mode logic-MUX, XOR, latch
8. Current mode logic-latch design
9. Current mode logic-latch characteristics
10. Low pass transmission channel-Intersymbol interference, error rate
11. First order channel model, ISI
12. ISI, jitter, eye opening
13. Channel characteristics-Intersymbol interference, Crosstalk
14. Equalizer design
15. Equalizer design-minimizing the residual error
16. Equalization-Effect on noise and crosstalk
17. Tradeoffs between equalization at Tx and Rx; Design of Tx equalizers
18. Design of Transmit equalizers using flip-flops and transconductors
19. Tx equalizer-design considerations
20. Tx equalizer-design considerations; realizing variable coefficients
21. Differential pair-effect of tail node capacitance; Continuous time equalization
22. Continuous-time equalizer realization; replica biasing for the tail current source
23. Assignment 2 discussion
24. Replica biasing, optimizing transmitter swing
25. Replica biasing, optimizing transmitter swing
26. Analog layout optimization; Equalization at the receiver
27. Equalization at the receiver; Basics of adaptation
28. LMS adaptation
29. Sign-sign LMS adaptation
30. LMS implementation details
31. Adaptive equalizer implementation, SH based equalizer, obtaining the gradients
32. Mid term discussion; Multiplexed and demultiplexed PRBS sequences; Latch vs. amplifier; Zeros for pre- and post- cursor equalization; Echo cancellation
33. Decision feedback equalizers-elimination of noise enhancement; Error propagation
34. Decision feedback equalizers-bit error rate
35. Decision feedback equalizers-implementation issues
36. Assignment 3 discussion
37. Decision feedback equalizers-implementation issues
38. Introduction to clock and data recovery-Frequency multiplication using a phase locked loop
39. Type I PLL; derivation of the phase model of the PLL; Tri state phase detector
40. (continued) Type I PLL; derivation of the phase model of the PLL; Tri state phase detector
41. Type I PLL; Reference feedthrough; Tradeoff between reference feedthrough and lock range
42. Stability of feedback loops; Derivation of the type II PLL
43. Realization of type II PLLs-charge pump, loop filter
44. Reference feedthrough in a type II PLL; Phase detector for random data
45. Linear phase detector for random data
46. Linear phase detector; Transfer functions in a PLL
47. PLL review
48. Binary phase detectors; bang bang jitter
49. Miscellaneous topics-Optimal equalizers; Linearity assumption of PLL model; PLL capture phenomenon; Hogge phase detector offset correction

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Sam

Excellent course helped me understand topic that i couldn't while attendinfg my college.

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Dembe

Great course. Thank you very much.

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