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: In this article, the first-order Impingement-Ion-production theory was investigated and discrepancies between model predictions and measurements were found between model projections and measurements, leading to the following conclusions:
Proceedings ArticleDOI
A 16-bit 4'th order noise-shaping D/A converter
L.R. Carley,J.G. Kenney +1 more
TL;DR: In this paper, a 16-bit oversampling D/A (digital-to-analog) converter was designed using a fourth-order all-digital noise-shaping loop followed by a 3-bit converter.
Patent
Circuit and method for cancelling nonlinearity error associated with component value mismatches in a data converter
TL;DR: In this article, an adder section is used to add a digital input sample to a previously existing sum generated from an immediately preceding digital sample, and a resulting sum is converter from binary code to thermometer code by an encoder.
Journal ArticleDOI
Interpolative Digital-to-Analog Converters
TL;DR: High-speed operation of interpolative D/A converters reduces the need for many finely spaced analog signal amplitudes, a tradeoff which is especially desirable for integrated circuit implementation.