ECE 697 Delta-Sigma Data Converter Design: Lecture Notes
The zip files contain MATLAB code
and schematics used (if any) during the lecture.
Some of these files may he password
Jan 19: Lecture 1 Course
introduction, Ideal sampling, Ideal S/H. Lecture1_Notes.pdf.
Jan 21: Lecture 2 S/H analysis,
T/H, Quantizers. Lecture 2
Notes.pdf, Lecture 2 Matlab files
[Simulations require delta-sigma toolbox].
Jan 26: Lecture 3 DSP basics:
Discrete-time Fourier transform (DTFT), discrete Fourier series (DFS) and
discrete Fourier transform (DFT) Lecture 3 Notes.pdf.
Jan 28: Lecture 4 Spectral
estimation using FFT, Spectral windows. Lecture 4 Notes.pdf, Lecture 4.zip.
Feb 02: Lecture 5 Quantization
noise modeling, ADC measurements. Lecture 5 Notes.pdf, Lecture 5.zip.
Feb 04: Lecture 6 Filter design
example (for HW#1), Oversampling data converters, First-order noise shaping. Lecture 6 Notes.pdf, Lecture
Feb 09: Lecture 7 First-order
delta-sigma modulator (DSM) and decimation filter, second-order DSM. Lecture 7 Notes.pdf, Lecture 7.zip.
Feb 11: Lecture 8 Second-order
delta-sigma modulator, realizability conditions on NTF. Lecture 8 Notes.pdf, Lecture 8.zip.
Feb 16: Lecture 9 Boser-Wooley and
Silva-Steensgaard modulator topologies, NTF-zero optimization, Generalized loop
filter representation. Lecture
9 Notes.pdf, Lecture 9.zip.
Feb 18: Lecture 10 Stability
analysis of delta-sigma modulators using describing function method. Lecture 10 Notes.pdf, Lecture 10.zip.
Feb 23: Lecture 11 Multi-bit
modulators, Maximum stable amplitude (MSA), Effective quantizer gain. Lecture 11 Notes.pdf, Multi-bit Modulators.pdf.
Feb 25: Lecture 12 Systematic NTF synthesis
procedure for higher-order DSM, NTF-zero and pole optimization, Toolbox
functions for NTF synthesis and optimization. Lecture 12 Notes.pdf, Lecture 12.zip.
Mar 2: Lecture 13 Estimating MSA
from simulation, Bodes Sensitivity Integral and NTF performance trade-offs. Lecture 13 Notes.pdf,
Mar 4: Lecture 14 Delta-Sigma Loop filter architectures. Lecture 14 Notes.pdf.
Mar 9: Lecture 15 Delta-Sigma Loop filter architectures contd.: CIFB,
CRFB. Resonators for introducing complex zeros. Lecture 15 Notes.pdf, Lecture 15.zip.
Mar 11: Lecture 16 Delta-Sigma
Loop filter architectures: CIFF, CRFF. Comparison of FB and FF architectures.
Multi-stage Modulators (L-0 cascade). Lecture 16 Notes.pdf, Lecture 16.zip.
Mar 16: Lecture 17 MASHing of
Modulators, Noise leakage in cascades, analysis of circuit non-idealities in
MASH. Lecture 17 Notes.pdf.
Mar 18: Lecture 18 ABCD Matrix
representation of loop-filters, Dynamic Range Scaling (DRS). MATLAB toolbox
demo of NTF synthesis, mapping NTF to architectures, simulation and
range-scaling. Lecture 18
Mar 23: Lecture 19 Introduction to
Continuous-time Delta-Sigma Modulators (CT-DSMs), Impulse-invariance
transformation. Lecture 19
Mar 25: Lecture 20 Time-scaling of
CT-DSM, inherent anti-alias filtering (AAF) in CT-DSMs, Excess loop-delay (ELD)
in first-order CT-DSM. Lecture
Apr 06: Lecture 21 ELD
Compensation in first-order CT-DSM. Lecture 21 Notes.pdf.
Apr 08: Lecture 22 State-space
description of CT DSMs. Lecture
Apr 13: Lecture 23 Synthesis of
higher-order CT DSMs: Impulse-invariant transform method and numerical fitting
of scaling coefficients. Lecture
Apr 15: Lecture 24 Guest Lecture
by H. Ahsan: Adaptive Filters and their application to MASH calibration. Lecture 24 Slides.pdf, MASH Calibration.zip.
Apr 20: Lecture 25 Excess
loop-delay compensation in higher-order CT-DSMs. Lecture 25 Notes.pdf, extra notes, ELD Compensation.zip.
Apr 22: Lecture 26 Clock jitter
sensitivity in DT and CT-DSMs. Lecture 26 Notes.pdf, CT
DSM - DAC clock jitter derivation.pdf
Apr 27: Lecture 27 NTF design for
in-band jitter noise optimization in a CT-DSM. Lecture 27 Notes.pdf, CT-DSM Clock Jitter.zip.
Apr 29: Lecture 28
Switched-capacitor DSM implementation: Circuits, timing, noise-analysis,
May 04: Open house for project and
May 15: Final exam due.
ECE 697: Delta-Sigma Data Converter Design