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.

You can download the entire set of lectures(1.2GB). The archive contains directories for each day's lecture. It also has an index file 2009-ee658-nkrishnapura.html from which you can access the lectures.

Course syllabus, schedule, and assignments can be seen here. If you wish to download these lectures for offline viewing, save the .swf file and view it in a browser with flash plugin or a standalone flash player. Not all lectures have been recorded. For topics other than ones below, refer to last year's lectures.

The lectures are also available in iPod format(320×240 video, AAC audio). Click on the link marked iPod next to each lecture to download these.

1. 2009-09-15: Quantizer realization; Flash ADC architecture
2. 2009-09-15: Comparators-use of regeneration
3. 2009-09-17(iPod): Latches
4. 2009-09-18(iPod): Latches, motivation for preamps
5. 2009-09-22(iPod): Preamplifiers, offset cancellation
6. 2009-09-22(iPod): Preamplifiers, coupling capacitors
7. 2009-09-24(iPod): Preamplifier offset, mismatch in circuits
8. 2009-09-25(iPod): Preamplifier circuits, common mode feedback
9. 2009-09-29(iPod): Preamplifier bandwidth considerations, common mode feedback circuitry
10. 2009-09-29(iPod): Integrating preamp; Comparator metastability
11. 2009-10-08(iPod): Putting together a flash A/D converter; Need for a front end sample and hold
12. 2009-10-09(iPod): Flash A/D for standalone use versus use in a delta sigma modulator; A/D and D/A error definitions
13. 2009-10-13(iPod): D/A converter-architectures
14. 2009-10-13(iPod): D/A converter architectures; implementation of a current steering D/A converter
15. 2009-10-15(iPod): Current steering switch-switch sizing considerations; random mismatch in the current source
16. 2009-10-16(iPod): Gradients in DAC cell currents; Optimizing DNL by sequencing the sources
17. 2009-10-20(iPod): DAC cells-dynamic nonlinearities
18. 2009-10-20(iPod): Current steering DAC-summary
19. 2009-10-22(iPod): DAC for oversampled ADCs; Alleviating the effects of mismatch-dynamic element matching; Data weighted averaging
20. 2009-10-23(iPod): Mismatch shaping due to data weighted averaging; DAC/ADC clocking-Excess loop delay
21. 2009-10-27(iPod): First order discrete-time delta sigma modulator; Switched capacitor filters
22. 2009-10-27(iPod): Switched capacitor filters; First order continuous-time delta sigma modulator; Choice of feedback DACs; Excess delay in continuous-time delta sigma modulators
23. 2009-10-29(iPod): Excess loop delay and its compensation
24. 2009-10-30(iPod): Excess loop delay due to finite opamp unity gain frequency; Jitter-effect of jitter on sampling; effect of DAC jitter in CTDSMs