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Instructor : Shanthi Pavan

This is an introductory course on Analog Circuits. Familiarity with basic linear electrical networks is assumed. At IIT Madras, the prerequisite courses are Electric and Magnetic Circuits & Networks and Systems.

1. Lecture 1 - Course overview and introduction.
2. Lecture 2 - Introduction to nonlinear network elements, the notions of operating point and incremental linearity
3. Lecture 3 - Nonlinear networks and incremental nonlinear networks
4. Lecture 4 - Networks with two terminal nonlinear elements, the definition of small signal, nonlinear two port networks
5. Lecture 5 - Nonlinear two ports, incremental two port parameters, constraints on the incremental Y-matrix to obtain gain
6. Lecture 6 - Introducing the MOSFET as a natural outcome of the previous lecture, MOS Characteristics
7. Lecture 7 - MOS Characteristics continued, linear and saturation regions, transconductance
8. Lecture 8 - Synthesis of the Common Source Amplifier
9. Lecture 9 - The Common Source amplifier continued, Swing limits
10. Lecture 10 - Swing Limits continued
11. Lecture 11 - Swing Limits continued, small signal operation revisited
12. Lecture 12 - Introduction to stable biasing
13. Lecture 13 - Bias Stabilization, the current mirror
14. Lecture 14 - Bias Stabilization, drain feedback
15. Lecture 15 - Bias Stabilization, source feedback
16. Lecture 16 - Introduction to negative feedback
17. Lecture 17 - More on negative feedback
18. Lecture 18 - Bias Stabilization, drain current measurement and source feedback
19. Lecture 19 (Part A) - Bias Stabilization continued, the real MOSFET and channel length modulation
20. Tutorial 1
21. Lecture 19 (Part B) - Deriving the common drain amplifier (an incremental VCVS with unity gain)
22. Lecture 20 - Large signal behavior of the common-drain amplifier, deriving the transconductance (VCCS) and the common-gate (CCCS) amplifiers.
23. Lecture 21 - The common-gate amplifier
24. Lecture 22 - The transimpedance amplifier
25. Lecture 23 - Swing Limits revisited, capacitive coupling considerations
26. Tutorial 2
27. Quiz 1 Question Paper
28. Quiz 1 Solutions
29. Lecture 24 - Introducing the PMOS transistor - equations, small signal model and the common-source amplifier.
30. Lecture 25 - Bias Stabilization, Deriving the VCVS, VCCS, CCCS using the PMOS device.
31. Tutorial 3
32. Lecture 26 - CCVS using a PMOS device, problems with obtaining high gain with a resistive load, introducing the active load.
33. Lecture 27 - The active load continued, the CMOS inverter.
34. Lecture 28 (Part A) - The CMOS inverter, continued.
35. Lecture 28 (Part B) - Introducing the Bipolar Junction Transistor.
36. Lecture 29 - BJT Small Signal Model, Bias Stabilization.
37. Lecture 30 - The NPN transistor continued, bias stabilization, the common collector amplifier.
38. Lecture 31 - The transconductance amplifier (VCCS), the common base amplifier (CCCS) and the transimpedance amplifier (CCVS), using the npn transistor.
39. Tutorial 4a
40. Lecture 32 - The re model for BJTs and its utility, the PNP transistor, device bias stabilization, realization of the four controlled sources.
41. Lecture 33 - Introducing the differential pair.
42. Lecture 34 - The differential pair continued - common-mode range, half circuit analysis, common-mode rejection ratio.
43. Lecture 35 - The differential pair continued - more on common-mode rejection, the active load.
44. Lecture 36 - Differential pair with active load (continued). Introduction to opamp internals : the single stage opamp.
45. October 23rd - Quiz 2 Question Paper
46. October 24th - Quiz 2 Post Mortem
47. Lecture 37 - The single stage opamp (contd)., problems with a single stage opamp.
48. Tutorial 5
49. Lecture 38 - Problems with a single stage opamp (contd)., the two stage opamp.
50. Lecture 39 (Part A) - Memory effects in nonlinear circuits, high frequency MOS transistor model, frequency response of the common-source amplifier.
51. Lecture 39 (Part B) - Frequency response of the common-source amplifier (contd), the Miller effect.
52. Lecture 40 - Frequency response of the common-source amplifier(contd), frequency response of the common-drain amplifier.
53. Lecture 41 - Frequency response of the common-drain amplifier(contd) and the common-gate amplifier, effect of forward amplifier bandwidth on the bandwidth of a closed loop system.
54. Lecture 42 - Stability of feedback systems with first and second order forward amplifiers, conditional stability of a third order forward amplifier.
55. Lecture 43 - Conditional stability of a third order forward amplifier (contd.), closed loop stabilization by introducing a dominant pole.
56. Lecture 44 (Part A) - Dominant Pole Compensation (contd), final remarks on stability of feedback systems.
57. Lecture 44 (Part B) - Opamp gainbandwidth product, circuit techniques for compensation - Miller compensation and its implementation in a two stage opamp.
58. Tutorial 6
59. Lecture 45 (Part A) - Applications of operational amplifiers, the noninverting, inverting and summing amplifiers. Effect of finite gain-bandwidth product.
60. Lecture 45 (Part B) - Input and ground as complements in ideal operational amplifier circuits, the relevance of DC negative feedback in opamp circuits.
61. Lecture 46 - Inductance simulation using opamps, R and C, second order filters, the Butterworth approximation.
62. Lecture 47 - Synthesis of a second order active-RC filter with bandpass and low-pass outputs.
63. Lecture 48 - Synthesis of a biquad with arbitrary numerator, the effect of finite input and output impedance of opamps in feedback amplifiers.
64. Lecture 49 - Effect of opamp gain-bandwidth product on input and output impedances of feedback amplifiers, output impedance of a voltage regulator, power supply bypassing.