• Nagendra Krishnapura

• ESB127

C slot, MTech Calendar (Mo. 10-10:50am, Tu. 9-9:50am, We. 8-8:50am, Fr. 12-12:50pm)

Registered students can login and see the course page at https://coursesnew.iitm.ac.in/. Resources, tutorials, exam schedules, discussion forum etc. can be accessed from the moodle page.

1. 17 January 2024 (notes): Course introduction
2. 19 January 2024 (notes): CMOS process; Capacitors and resistors in a CMOS process; Body effect
3. 23 January 2024 (notes): MOS models-Body effect; Weak inversion
4. 24 January 2024 (notes): MOS transistor model with velocity saturation; Parasitic capacitors
5. 29 January 2024 (notes): Process, temperature, and voltage variations; Systematic mismatch
6. 30 January 2024 (notes): Systematic mismatch; Unit-element based design; Random mismatch
7. 31 January 2024 (notes): Random mismatch; Dependence on area; Analysis of mismatch effects
8. 5 February 2024 (notes): Analysis of circuits with random mismatch; Random noise
9. 6 February 2024 (notes): Random noise; Stationary processes; Power and energy signals and their frequency domain representations
10. 7 February 2024 (notes): Power spectral density of a random process; Resistor noise
11. 12 February 2024 (notes): MOS, BJT noise models; Noise in an RC lowpass filter
12. 13 February 2024 (notes): MOS weak inversion noise model; Noise in an RC lowpass filter; kT/C noise; Impedance(noise) scaling
13. 14 February 2024 (notes): Input referred noise; Noise bandwidth; Noise of a passive 1-port
14. 16 February 2024 (notes): Nonlinearity; Calculating nonlinear components using current injection
15. 19 February 2024 (notes): Calculating nonlinear components using current injection
16. 26 February 2024 (notes): Negative feedback using an integrator; Closed loop bandwidth and unity loop gain frequency
17. 27 February 2024 (notes): Negative feedback using an integrator; Excess delay in the loop and implications on stability
18. 28 February 2024 (notes): Poles and zeros as delays and advances; Frequency-domain and time-domain views of stability margins
19. 1 March 2024 (notes): Opamp implementation using a transconductor and a capacitor; Finite dc gain due to finite output resistance
20. 4 March 2024 (notes): Improving the opamp; Increasing the output resistance using a cascode; I-V conversion using negative feedback; Two and three stage opamps
21. 5 March 2024 (notes): Two and three stage Miller opamps; Constraints
22. 11 March 2024 (notes): Feedforward opamps for reducing steady-stage error; Constraints
23. 12 March 2024 (notes): Miller-compensated versus feedforward opamps; Inherent speed of a MOS process
24. 13 March 2024: No recording
25. 15 March 2024 (notes): Single-stage opamp using a differential pair with active load
26. 19 March 2024 (notes): Single-stage opamp: Slew rate, noise, offset
27. 22 March 2024 (notes): Offset; Chopping to eliminate offset; Increasing the dc gain using cascodes
28. 26 March 2024 (notes): Telescopic cascode opamp
29. 3 April 2024 (notes): Folded cascode opamp
30. 5 April 2024 (notes): Rail-rail input opamp; Two-stage opamp
31. 8 April 2024 (notes): Two-stage opamp-Small signal paramters, noise, random offset and systematic offset
32. 10 April 2024 (notes): Two and three stage Miller opamps; Commercial opamps; Class-AB biasing
33. 12 April 2024 (notes): Class-AB opamp; Fullly differential circuits; Common-mode and differential half circuits
34. 15 April 2024 (notes): Common-mode and differential half circuits; Common-mode and differential gain; Common-mode feedback
35. 16 April 2024 (notes): Fully differential single-stage opamp; Common-mode detectors and common-mode feedback
36. 17 April 2024 (notes): Fully differential two-stage opamp; Common-mode feedback circuits
37. 19 April 2024 (notes): Fully differential two-stage opamp; Common-mode feedback circuits; Noise analysis of fully differential circuits; Fully differential feedforward opamp
38. 22 April 2024 (notes): Fully differential opamps; Feedforward opamp; Zero cancellation in Miller-compensated opamps
39. 23 April 2024 (notes): Constant-gm biasing circuits; PTAT current generator
40. 24 April 2024 (notes): Bandgap voltage reference; Constant current reference
41. 26 April 2024 (notes): Fractional bandgap reference; Linear low dropout voltage regulator
42. 29 April 2024 (notes): Voltage regulator; Course summary

• CMOS operational amplifiers
• Handout on input referred noise
• Handout on signals and their spectra
• Contour integration-useful for calculating integrated noise
• Maxima symbolic calculation example (wxMaxima site)

Login to moodle at https://coursesnew.iitm.ac.in/ to post questions and contact TAs and faculty.