· The zip files contain MATLAB code and schematics used (if any) during the lecture. Make sure that you have Delta-Sigma Toolbox installed and linked in your PATH to run these scripts.
Jan
12: lec1_ece615.pdf, lec1_ece615_slides, lec1_615_notes Course
introduction, Ideal sampling, Nyquist Sampling
Theorem, Anti-Alias Filtering (AAF), Oversampling.
Jan
14: lec2_ece615.pdf , lec2_ece615_slides, lec2_615_notes Signals review, Sample-and-Hold
(S/H), Track-and-Hold, Reconstruction filter. Quantizer basics.
Jan
19: lec3_ece615.pdf , lec3_ece615_slides, lec3_615_notes DSP
basics: Overview of DTFT and DFT (FFT).
Jan
21: lec4_ece615.pdf , lec4_ece615_slides, lec4_615_notes Spectral
Estimation: FFT
Jan
26: [No in-class lecture. Watch videos] lec5_ece615.pdf, lec5_ece615_slides and lec5_ece615_video Spectral
Estimation contd: Windowing. lec3_ece615_code.zip
Jan
28: [No in-class lecture. Watch videos] lec6_ece615.pdf, lec6_ece615_slides and lec6_ece615_video Quantizers,
quantization noise modeling, ADC measurements. lec4_ece615_code.zip
Feb
02: lec7_ece615.pdf FFT
windows review
Feb
04: lec8_ece615.pdf Quantizer review
Feb
09: lec9_ece615.pdf, lec9_ece615_slides Oversampling
data converters, First-order delta-sigma modulator (DSM). lec9_ece615_code.zip
Feb 11: lec10_ece615.pdf, lec10_ece615_slides First-order delta-sigma modulator (DSM), Sinc filter. lec10_ece615_code.zip
Feb
16: lec11_ece615.pdf, lec11_ece615_slides Second-order
delta-sigma modulator, realizability conditions
on NTF. Boser-Wooley modulator topology. lec11_ece615_code.zip
Feb 18: lec12_ece615.pdf, lec12_ece615_slides Silva-Steensgaard modulator topology. NTF-zero optimization. Generalized loop filter representation. lec12_ece615_code.zip
Feb
23: lec13_ece615.pdf, lec13_ece615_slides Stability
analysis of delta-sigma modulators using describing function method [notes].
Feb
25: lec14_ece615.pdf,
lec14_ece615_slides Stability analysis contd., Multi-bit
modulators, Maximum stable amplitude (MSA), Systematic NTF synthesis procedure
for higher-order DSM. . lec14_ece615_code.zip
Mar
1: [No in-class lecture. Watch videos] lec15_ece615.pdf,
lec15_ece615_slides and lec15_ece615_video Systematic
NTF synthesis, NTF-zero and pole optimization, Toolbox functions for NTF
synthesis and optimization. . lec15_ece615_code.zip
Mar
3: lec16_ece615.pdf, lec16_ece615_slides Systematic
NTF synthesis contd.
Mar
8: lec17_ece615.pdf, lec17_ece615_slides Risbos method for MSA estimation. Bodes Sensitivity
Integral and NTF performance trade-offs. Start Delta-Sigma Loop filter
architectures.
Mar
10: lec18_ece615.pdf, lec18_ece615_slides Delta-Sigma
Loop filter architectures: Feedback (CIFB, CRFB).
Mar
15: lec19_ece615.pdf, lec19_ece615_slides Delta-Sigma
Loop filter architectures: Feedforward (CIFF, CRFF), Comparison of FB
and FF architectures, Dynamic
Range Scaling.
Mar
17: lec20_ece615.pdf, lec20_ece615_slides Dynamic
Range Scaling, Discrete-time DSM implementation.
Spring Break
Mar
29: lec21_ece615.pdf Multi-stage
Modulators (L-0 cascade).
Mar
31: lec22_ece615.pdf
MASHing of Modulators, Noise
leakage in cascades, analysis of circuit non-idealities in MASH.
Apr
5: lec23_ece615.pdf
Introduction to Continuous-time
Delta-Sigma Modulators (CT-DSMs), Impulse-invariance transformation (IIT).
Apr
7: lec24_ece615.pdf
Inherent anti-alias filtering (AAF) in first-order CT-DSMs. Excess loop-delay in first-order CT DSM.
Apr
11: lec25_ece615.pdf
CT-DSMs:
Synthesis of higher-order CT DSMs: IIT Tables method and
numerical fitting of scaling coefficients.
Apr
14: lec26_ece615.pdf
CT-DSMs:
AAF, ELD compensation, RC variation, Numerical impulse response fitting.
Systematic design centering.
Apr 19 (Tuesday): Midterm Exam: Open Book, open notes, open computer. Sample exam problems.
Apr
21: No class. Project 1 due.
Apr 25: lec27_ece615.pdf
Discrete-time
Delta-Sigma Modulator Implementation.
Apr 27: lec28_ece615.pdf Multi-bit DAC design, mismatch
and noise shaping. DWA and Calibration techniques.
May 3: Submit Project 2 Report
. No Final Exam!