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
More filters
Journal ArticleDOI
A Bang Bang Phase-Locked Loop Using Automatic Loop Gain Control and Loop Latency Reduction Techniques
Ting-Kuei Kuan,Shen-Iuan Liu +1 more
TL;DR: A digital bang-bang phase-locked loop that employs automatic loop gain control and loop latency reduction techniques to enhance the jitter performance and exploits time-series analysis to analyze the DBPLL.
Proceedings ArticleDOI
Maximum likelihood detection for quantized MIMO systems
TL;DR: This work proposes a suboptimal solution with lower complexity for maximum likelihood-detection for MIMO systems operating on quantized data and introduces a new performance measure that relates the outage properties to the bit resolution in this context.
Journal ArticleDOI
A Frequency-Division MIMO FMCW Radar System Based on Delta–Sigma Modulated Transmitters
TL;DR: A hardware-efficient method to implement multiple-input multiple-output (MIMO) radars with a separation of the transmit (TX) signals in the frequency domain is presented and a signal-processing approach is derived and a method to reduce ambiguities is presented.
Journal ArticleDOI
Incremental Data Converters at Low Oversampling Ratios
TL;DR: Incremental A/D converters are able to achieve a higher SQNR than delta-sigma modulators at oversampling ratios below 4, allowing them to operate as higher bandwidth converters with medium resolution.
Journal ArticleDOI
A 2.7 mW, 90.3 dB DR Continuous-Time Quadrature Bandpass Sigma-Delta Modulator for GSM/EDGE Low-IF Receiver in 0.25 $\mu$ m CMOS
TL;DR: A continuous-time quadrature bandpass sigma-delta (SigmaDelta) modulator with a chain of integrators with weighted capacitive feedforward summation (CICFF) topology is presented - which is a desirable solution for implementation in low power applications.
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.