Lecture No |
Course Title |
1 |
Course overview and introduction. |
2 |
Sampling, Spectral properties of sampled signals, Oversampling and its implications on anti-alias filter design. |
3 |
Time Interleaved Sampling, Analysis of a Ping-Pong Sampling system. |
4 |
Ping-pong Sample and Holds continued, Analysis of Offset and Gain Errors in Time-Interleaved Sample and Holds. |
5 |
Sampling Circuits (NMOS, PMOS and CMOS Switches), Distortion due to the Sampling Switch. |
6 |
Thermal Noise in Sample and Holds, Charge Injection in a Sampling Switch. |
7 |
Bottom Plate Sampling, The Gate Bootstrapped Switch. |
8 |
The Gate Bootstrapped Switch (continued), the Nakagome Charge-Pump. |
9 |
Characterizing a Sample-and-Hold, Correct choice of input frequency, Discrete Fourier Series Refresher. |
10 |
FFT Leakage and the Rectangular Window. |
11 |
FFT Leakage (contd), Spectral Windows, the Hann Window |
12 |
Spectral Windows (contd), the Blackman Window, Introduction to Switch Capacitor Amplifiers |
13 |
Switch Capacitor Circuits, Parasitic Insensitive SC Amplifiers |
14 |
Nonidealities in SC Amplifiers - Finite Opamp Gain and DC Offset., Lecture 14 - Part 2 - Finite Opamp Gain-Bandwidth Product. |
15 |
Introduction to Fully Differential Operation. |
16 |
Fully-differential operation (contd), motivation for common-mode feedback. |
17 |
Fully Differential SC-circuits, the "Flip-Around" Sample and Hold, DC Negative Feedback in SC Circuits. |
18 |
ADC Terminology, Offset and Gain Error, Differential Nonlinearity (DNL). |
19 |
Integral Nonlinearity (INL), Dynamic Characterization of ADCs, SQNR, Quantization Noise Spectrum. |
20 |
Quantization Noise Spectrum (contd), SFDR, Flash A/D Converter Basics. |
21 |
Flash A/D Converter Basics, the Regenerative Latch. |
22 |
The Regenerative Latch (contd). |
23 |
Motivation to use a Preamp, Preamp Offset Correction (Autozeroing). |
24 |
Autozeroing a Differential Preamp, Subtracting References from the Input. |
25 |
Coupling Capacitor Considerations in an Autozeroed Preamp. |
26 |
Transistor Level Preamp Design. |
27 |
Necessity of an up-front sample and hold for good dynamic performance. Timing issues in a flash ADC. |
28 |
Bubble Correction Logic in a Flash ADC, Comparator Metastability, Case Study.(VERY POOR AUDIO QUALITY !) |
29 |
Flash ADC Case Study (Continued). |
30 |
D/A Converter Basics, INL/DNL, DAC Spectra and Pulse Shapes. |
31 |
NRZ vs RZ DACs, DAC Architectures. |
32 |
Binary Weighted versus Thermometer DACs. |
33 |
Binary vs Thermometer DACs (Contd), Current Steering DACs. |
34 |
Current Steering DACs (contd) . |
35 |
Current Cell Design in a Current Steering DAC. |
36 |
Current Cell Design (contd), Layout Considerations in Current Steering DACs. |
37 |
Oversampled Approaches to Data Convresion, Benefits of Oversampling. |
38 |
Oversampling with Noise Shaping, Signal and Noise Transfer Functions, First and Second Order Delta-Sigma Converters. |
39 |
Signal Dependent Stability of DSMs, the Describing Function Method. |
40 |
Stability in DSMs (continued). |
41 |
Maximum Stable Amplitude of DSMs and Relation to Out of Band Gain, Systematic NTF Design. |
42 |
Systematic NTF Design (contd), the Bode Sensitivity Integral and its Implications on NTF Design. |
43 |
Estimating the Maximum Stable Amplitude from simulation, Computation of in-band SNR, Windowing revisited. |
44 |
Introduction to Continuous-time Delta Sigma Modulators (CTDSM). |
45 |
CTDSM basics (contd), time-scaling of CTDSMs. |
46 |
The inherent anti-aliasing property of CTDSMs. |
47 |
Excess Loop Delay in CTDSMs. |
48 |
Time-constant changes in CTDSMs, Influence of opamp nonidealities. |
49 |
Effect of opamp nonidealities (contd) - finite gain bandwidth, Effect of ADC and DAC nonidealities. |
50 |
Effect of DAC element mismatch (contd), Dynamic Element Matching (Randomization). |
51 |
Dynamic Element Matching by Data Weighted Averaging. |
52 |
Effect of Clock jitter in CTDSMs. |
53 |
Finding Loopfilter Coefficients in Higher Order CTDSMs. |
54 |
Dynamic Range Scaling of the Loop Filter. |