Open AccessBook
Understanding Delta-Sigma Data Converters
TLDR
This chapter discusses the design and simulation of delta-sigma modulator systems, and some of the considerations for implementation considerations for [Delta][Sigma] ADCs.Abstract:
Chapter 1: Introduction.Chapter 2: The first-order delta-sigma modulator.Chapter 3: The second-order delta-sigma modulator.Chapter 4: Higher-order delta-sigma modulation.Chapter 5: Bandpass and quadrature delta-sigma modulation.Chapter 6: Implementation considerations for [Delta][Sigma] ADCs.Chapter 7: Delta-sigma DACs.Chapter 8: High-level design and simulation.Chapter 9: Example modulator systems.Appendix A: Spectral estimation.Appendix B: The delta-sigma toolbox.Appendix C: Noise in switched-capacitor delta-sigma data converters.read more
Citations
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Journal ArticleDOI
Wireless Communications and Applications Above 100 GHz: Opportunities and Challenges for 6G and Beyond
Theodore S. Rappaport,Yunchou Xing,Ojas Kanhere,Shihao Ju,Arjuna Madanayake,Soumyajit Mandal,Ahmed Alkhateeb,Georgios C. Trichopoulos +7 more
TL;DR: This paper offers the first in-depth look at the vast applications of THz wireless products and applications and provides approaches for how to reduce power and increase performance across several problem domains, giving early evidence that THz techniques are compelling and available for future wireless communications.
Proceedings Article
QSGD: Communication-Efficient SGD via Gradient Quantization and Encoding
TL;DR: Quantized SGD (QSGD) as discussed by the authors is a family of compression schemes for gradient updates which provides convergence guarantees for convex and nonconvex objectives, under asynchrony, and can be extended to stochastic variance-reduced techniques.
Proceedings ArticleDOI
A/D converter trends: Power dissipation, scaling and digitally assisted architectures
TL;DR: This paper summarizes recent trends in the area of low-power A/D conversion and a discussion on minimalistic and digitally assisted design approaches is used to sketch a route toward further improvements in ADC power efficiency and performance.
Journal ArticleDOI
Design-oriented estimation of thermal noise in switched-capacitor circuits
TL;DR: A tutorial description of the physical phenomena taking place in an SC circuit while it processes noise is provided and some specialized but highly efficient algorithms for estimating the resulting sampled noise in SC circuits are proposed, which need only simple calculations.
Posted Content
Massive MIMO with 1-bit ADC
TL;DR: This work investigates massive multiple-input-multiple output (MIMO) uplink systems with 1-bit analog-to-digital converters (ADCs) on each receiver antenna with good performance in terms of mutual information and symbol error rate (SER), and provides an analytical approach to calculate the Mutual information and SER of the MRC receiver.
References
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TL;DR: The designations employed and the presentation of material on this map do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries as discussed by the authors.
Patent
Method and arrangement for a sigma delta converter for bandpass signals
TL;DR: In this article, an improved apparatus and method for a sigma delta converter for bandpass signals is disclosed, suitable for use in mobile radio applications, between the front end and digital signal processing stages.
Proceedings ArticleDOI
A multistage delta-sigma modulator without double integration loop
TL;DR: A delta-sigma modulator using two interleaved single integration loops to reduce quantization noise by 20dB will be described and 14b resolution is demonstrated.
Journal Article
Principles of oversampling A/D conversion
TL;DR: The overall problem of performing signal acquisition with real hardware is reviewed, and the ways in which oversampling facilitates this task, sometimes counterintuitively, are reviewed.
Journal ArticleDOI
A sixth-order continuous-time bandpass sigma-delta modulator for digital radio IF
TL;DR: In this paper, the authors present a 6-order continuous-time bandpass sigma-delta modulator (SDM) for analog-to-digital conversion of intermediate-frequency signals.