· The zip files contain MATLAB code and schematics used (if any) during the lecture. Make sure that you have DeltaSigma Toolbox installed and linked in your PATH to run these scripts.
Aug 27: lec1_ece615.pdf, lec1_ece615_slides and lec1_ece615_video Course introduction, Ideal sampling, Nyquist Sampling Theorem, Anti-Alias Filtering (AAF), Oversampling.
Aug 29: lec2_ece615.pdf and lec2_ece615_video Sample-and-Hold (S/H), Track-and-Hold, Reconstruction filter. DSP basics: Overview of DTFT and DFT (FFT).
Sep 3: lec3_ece615.pdf, lec3_ece615_slides and lec3_ece615_video Spectral Estimation: FFT, windowing. lec3_ece615_code.zip
Sep 5: lec4_ece615.pdf, lec4_ece615_slides and lec4_ece615_video Quantizers, quantization noise modeling, ADC measurements. lec4_ece615_code.zip
Sep 17: lec5_ece615.pdf, lec5_ece615_slides and lec5_ece615_video Quantizer review, Oversampling data
converters. lec5_ece615_code.zip
Sep 19: lec6_ece615.pdf,
lec6_ece615_slides and lec6_ece615_video First-order
delta-sigma modulator (DSM).
Sep 24: lec7_ece615.pdf,
lec7_ece615_slides and lec7_ece615_video Second-order
delta-sigma modulator, realizability conditions on
NTF.
Sep 26: lec8_ece615.pdf,
lec8_ece615_slides and lec8_ece615_video Boser-Wooley and Silva-Steensgaard
modulator topologies,
Oct 1: Lecture 9 No video NTF-zero
optimization [notes], Generalized loop filter representation. Stability analysis
of delta-sigma modulators using describing function method [notes].
Oct 3: lec10_ece615.pdf,
lec10_ece615_slides and lec10_ece615_video Multi-bit
modulators, Maximum stable amplitude (MSA), Systematic NTF synthesis procedure
for higher-order DSM.
Oct 8: lec11_ece615.pdf,
lec11_ece615_slides and lec11_ece615_video Systematic NTF
synthesis, NTF-zero and pole optimization, Toolbox functions for NTF synthesis
and optimization.
Oct 10: No Lecture
Oct 15: lec12_ece615.pdf,
lec12_ece615_slides and lec12_ece615_video Bodes Sensitivity Integral and NTF performance trade-offs,
Delta-Sigma Loop filter architectures. Resonators for
introducing complex zeros.
Oct 17: lec13_ece615.pdf,
lec13_ece615_slides and lec13_ece615_video Delta-Sigma Loop
filter architectures contd.: CIFB, CRFB. Comparison of FB and
FF architectures.
Oct 22: lec14_ece615.pdf,
lec14_ece615_slides and lec14_ece615_video Multi-stage Modulators
(L-0 cascade).
Oct 24: lec15_ece615.pdf,
lec15_ece615_slides and lec15_ece615_video MASHing of Modulators, Noise leakage in cascades, analysis
of circuit non-idealities in MASH.
Oct 29: lec16_ece615.pdf,
lec16_ece615_slides and lec16_ece615_video Discrete-time DSM
implementation, Dynamic
Range Scaling
Oct 31: lec17_ece615_slides and lec17_ece615_video Switched Capacitor
DSM implementation, Switched
Capacitor Design
Nov 5: lec18_ece615.pdf,
lec18_ece615_slides and lec18_ece615_video Introduction
to Continuous-time
Delta-Sigma Modulators (CT-DSMs), Impulse-invariance transformation (IIT).
Nov 7: lec19_ece615.pdf, lec19_ece615_slides and lec19_ece615_video IIT contd., Time-scaling of CT-DSM, Synthesis of higher-order CT DSMs.
Nov 12: lec20_ece615.pdf, lec20_ece615_slides and lec20_ece615_video Synthesis
of higher-order CT DSMs: IIT Tables
method and numerical fitting of scaling coefficients.
Nov 14: lec21_ece615.pdf,
lec21_ece615_slides and lec21_ece615_video Numerical
fitting method, 3rd-order example, inherent anti-alias filtering
(AAF) in CT-DSMs.
Nov 19: lec22_ece615.pdf,
lec22_ece615_slides and lec22_ece615_video Excess
loop-delay (ELD) in CT-DSMs, ELD Compensation techniques.
Nov 21: lec23_ece615.pdf,
lec23_ece615_slides and lec23_ece615_video Active-RC and Gm-C
implementations. RC time-constant variation and CT-DSM tuning.
Nov 21: Project 1 due
Dec 3 (Tuesday): Midterm Exam: Open Book, open notes, open
computer. Sample
exam problems.
Dec 5: lec24_ece615.pdf, lec24_ece615_slides and lec24_ece615_video DAC
design, mismatch and noise shaping. DWA and Calibration
techniques.
Dec 10:
lec25_ece615.pdf, lec25_ece615_slides and lec25_ece615_video Bandpass and
Quadrature Delta-Sigma ADCs. Advanced Techniques and Recent Trends in CT ADCs.
Dec 12:
Project Review
Dec 19: Project 2 due. Were done!