Open AccessBook
Understanding Delta-Sigma Data Converters
Reads0
Chats0
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
More filters
Patent
Dynamic range reduction for analog-to-digital converters
TL;DR: In this paper, an analog-to-digital (A2D) converter is used to determine whether an in-band blocker is present in the signal and adjust the transfer function of the analog to digital converter.
A 107dB DR, 106dB SNDR Sigma-Delta ADC Using a Charge-Pump Integrator for Audio Application
TL;DR: Sigma-Delta (Σ−Δ) modulation based analog-to-digital (A/D) conversion technology is used in the system design as a cost effective alternative for high resolution (greater than 12 bits) converters which can be ultimately integrated on digital signal processor ICs.
Journal ArticleDOI
Measurement of sampling jitter in analog-to-digital and digital-to-analog converters using analytic signals
Akira Nishimura,Nobuo Koizumi +1 more
TL;DR: The results show that the proposed method is effective in that it provides high temporal resolution as a result of the direct derivation of the jitter waveform, achieves higher accuracy in the measurement of jitter amplitude, and can separate phase modulation that originate in sampling jitter from amplitude modulation that originated in digital-to-analog and analog- to-digital conversion processes.
Proceedings ArticleDOI
Top-down design for Low power Multi-bit Sigma-Delta Modulator
TL;DR: A top-down design for the design of a Low Power Sigma-Delta Modulator is reported, going from determining the architecture and specifications to the transistor-level design.
Providing Bi-Directional, Analog, and Differential Signal Transmission Capability to an Electronic Prototyping Platform
TL;DR: In this paper, the authors propose an interface for field programmable interconnection networks (FPINs) in the context of Wafer boards, which can be used for prototyping.
References
More filters
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.