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Understanding Delta-Sigma Data Converters
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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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Proceedings ArticleDOI
How to Prevent a Sick ASIC
TL;DR: In this article , actual near-disasters from decades of integrated circuit design are presented along with methods to prevent potentially severe damage to projects, careers, and even companies, but acknowledging them is crucial to avoid repeating the mistakes and to reduce ASIC development risk.
Posted Content
Min-Max Design of Feedback Quantizers for Netorwked Control Systems.
TL;DR: An overloading-free feedback quantizer based on a Delta-Sigma modulator, composed of an error feedback filter and a static quantizer is designed.
Proceedings ArticleDOI
A 31.25/125MSps continuous-time ΔΣ ADC with 64/59db SNDR in 130nm CMOS
TL;DR: A 2nd order 3-bit continuous-time (CT) ΔΣ ADC is presented in this paper and the design equations starting from a discrete-time reference modulator to the circuit implementation are given.
Proceedings ArticleDOI
Low-Distortion Signal Generation for Analog/Mixed-Signal IC Testing Using Digital ATE Output Pin and BOST
Kosuke Machida,Tomonori Yanagida,Koji Asami,Masayuki Kawabata,Shohei Shibuya,Haruo Kobayashi +5 more
TL;DR: A low-distortion signal generation method which uses digital output pins and additional analog circuits, using trigonometric function calculation for substantial harmonics suppression for low cost and high quality testing of analog/mixed-signal ICs.
DissertationDOI
Efficient sigma-delta beamforming techniques for ultrasound imaging application
TL;DR: It is suggested that within the next few weeks the water quality in this part of the world will improve, but the quality of the water in this area is still to be determined.
References
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Journal ArticleDOI
A higher order topology for interpolative modulators for oversampling A/D converters
TL;DR: Higher order modulators are shown not only to greatly reduce oversampling requirements for high-resolution conversion applications, but also to randomize the quantization noise, avoiding the need for dithering.
Journal ArticleDOI
Decimation for Sigma Delta Modulation
TL;DR: It is shown that digital filters comprising cascades of integrate-and-dump functions can match the structure of the noise from sigma delta modulation to provide decimation with negligible loss of signal-to-noise ratio.
Journal ArticleDOI
An analysis of nonlinear behavior in delta - sigma modulators
Sasan H. Ardalan,J.J. Paulos +1 more
TL;DR: This paper introduces a new method of analysis for deltasigma modulators based on modeling the nonlinear quantizer with a linearized gain, obtained by minimizing a mean-square-error criterion, followed by an additive noise source representing distortion components.
Book ChapterDOI
The Structure of Quantization Noise from Sigma-Delta Modulation
James C. Candy,O. Benjamin +1 more
TL;DR: Simple algebraic expressions for this modulation noise and its spectrum in terms of the input amplitude are derived and can be useful for designing oversampled analog to digital converters that use sigma-delta modulation for the primary conversion.
Journal ArticleDOI
A fourth-order bandpass sigma-delta modulator
TL;DR: The modulator of a bandpass analog/digital (A/D) converter, with 63 dB signal/noise for broadcast AM bandwidth signals centered at 455 kHz, has been implemented by modifying a commercial digital-audio sigma-delta ( Sigma Delta ) converter.