出版時(shí)間:2007-1 出版社:科學(xué)出版社 作者:斯哥瑞爾 頁(yè)數(shù):446 字?jǐn)?shù):731000
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內(nèi)容概要
本書(shū)介紹了Δ∑模數(shù)及數(shù)模轉(zhuǎn)換器的原理,引入了計(jì)算機(jī)輔助分析和設(shè)計(jì)技術(shù)。由于Delta-Sigma數(shù)據(jù)轉(zhuǎn)換的原理有著廣泛的應(yīng)用范圍,不僅限于數(shù)據(jù)轉(zhuǎn)換器,所以本書(shū)涉及面廣,包括數(shù)字電話、數(shù)字音頻、無(wú)線及有線通信、醫(yī)療電子等中的Δ∑轉(zhuǎn)換器。作者強(qiáng)調(diào)實(shí)際操作而不是復(fù)雜的數(shù)學(xué)推導(dǎo),通過(guò)一階Δ∑調(diào)節(jié)器引出二階及高階調(diào)節(jié)器,同時(shí)討論了實(shí)現(xiàn)方法,給出了設(shè)計(jì)實(shí)例。本書(shū)從基本概念開(kāi)始,由淺入深地介紹了Delta-Sigma轉(zhuǎn)換器,并結(jié)合實(shí)例幫助讀者理解,因此適應(yīng)各個(gè)層次的研究者,既適合于Delta-Sigma數(shù)據(jù)轉(zhuǎn)換的初學(xué)者,同時(shí)適合高年級(jí)本科生和研究生。
書(shū)籍目錄
ForewordReferencesCHAPTER1 Introduction 1.1 The Need for Oversampling Converters 1.2 Delta and Delta-SigmaModulation 1.3 Higher-Order Single-Stage Noise-SHaping Modulators 1.4 Multi-Stage(Cascade MASH)Modulators 1.5 BandpassΔ∑Modulators 1.6 Δ∑Modulators with Multi-Bit Quantizers 1.7 Delta-Sigma igital-to-Analog Conversters 1.8 History;Performance and Architecture TrendsCHAPTER2 The First-Order Delta Sigma Modulator 2.1 Quantizers and Quantization Noise 2.2 MODl as an ADC 2.3 MODl as a DAC 2.4 MODl Linear Model 2.5 Simulation of MODl 2.6 MODl under DC Excitation 2.7 Stability of MODl 2.8 THe Effects of Finite Op-Amp Gain 2.9 Decimation Filters for MODl 2.10 ConclusionsCHAPTER3 The Second-Order Delta-Sigma Modulator 3.1 The Second-Order Modulator:MOD2 3.2 Simulation of MOD2 3.3 Nonlinear Effects in MOD2 3.4 Alternative ZSecond-Order Modulator Structures 3.5 Decimation Filtering for Second-OrderΔ∑ Modulators 3.6 ConclusionsCHAPTER4 Higher-Order Delta-Sigma Modulation 4.1 High-Order Single-Quantizer Modulators 4.2 Stability Considerations in High-Order Modualtors 4.3 Optimization of the NTF Zeros and Poles 4.4 Loop Filter Achitecures 4.5 Multi-Stage Modulators 4.6 ConclusionsCHAPTER5 Bandpass and Quadrature Delta-Sigma Modulation 5.1 The Need for Bandpass and Quadrature Modulation 5.2 Bandpass NTF Selection 5.3 Architectures for Bandpass Delta-Sigma Modulators 5.4 Bandpass Modulator Example 5.5 Quadrature Signals 5.6 Quadrature Modulation 5.7 ConclusionsCHAPTER6 Implementation Considerations For Δ∑ ADCs 6.1 Modulators with Multi-Bit Internal Quantizers 6.2 Dual-Quantizer Modulators 6.3 Dynamic Element Randomization ……CHAPTER7 Delat-Sigma DACsCHAPTER8 High-Level Design and SimulationCHAPTER9 Example Modulator SystemsAPPENDIX A Spectral EstimationAPPENDIX B The Delta-Sigma ToolboxAPPENDIX C Noise in Switched-Capacitor Delta-Sigma Data Converters
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