ADC Part I: 2017年06月05-06日(Marcel Pelgrom)
第一天课程:2017年06月05日(09:00-17:00)
1、ADC基础- Fundamentals of ADC:
采样,奈奎斯特,kT/C,抖动,重构;量化,SNqR,精度限制因素,FOM,能量限制因素;
Sampling, Nyquist, kT/C, jitter, reconstruction; Quantization, SNqR,limts of accuracy, F.o.M. energy limits;
2、基本ADC/DAC 架构概述- Overview elementary ADC/DAC architectures:架构:
一元,二进制,非二进制,电阻型、电容型、电流舵型和时钟型DAC设计;基本的ADC拓扑:Flash型;基本的ADC拓扑:Log型:子范围,流水线,SAR;基本的ADC拓扑:线型:斜率;基本的ADC拓扑:基于时间,SD型;比较:优缺点,频率和分别率范围;
Architectures: unary, binary, non-binary;Resistive, Capacitive, Current-steering and Timing DAC;Elementary ADCtopologies: flash, Elementary ADC topologies: Log: sub-range, pipeline, SAR; ElementaryADC
Topologies:linear: slope; Elementary ADC topologies: time based, SD;
Comparison: advantages/disadvantages, freq+resolution rang;
3、数模转换器- Digital-to-analog conversion:
架构:一元,二进制;电阻型DAC:阻抗、版图、统计分析;电流舵型DAC: 调制,排序算法;电容型DAC: 版图,共质心画法等;
Architectures: unary, binary, resistive DAC: impedance, lay-out,statistical analysis; current steering DAC: modulation, sorting algorithms; capacitiveDAC: lay-out, common centroid etc.
4、基准电路-Reference circuits:
各种基准源,Bandgap基础;如何设计一个基准电路;
Various reference options, fundamental bandgap properties; How todesign a reference circuit.
第二天课程:2017年06月06日(09:00-17:00)
5、Flash 转换器- Flash conversion:
比较器:基础知识,速度,BER,迟滞,统计,8种拓扑结构,梯型电阻阵列设计,反冲(Kick-back);
解码;良率计算;增益级和平均,折叠式转换器;技术:降低晶体管增益效应,失配的影响;
几个新颖的案例:level-crossing 型ADC,M.Flynn 的论文;
Comparator: basics, speed, BER, hysteresis, statistics, 8 topologies;Design of resistors ladders, kick-back;
Decoding; Yield calculations; Gain stage and averaging, folding converters; Technology:effects of reduced transistor gain, mismatch. Some strange examples: levelcrossing, M.Flynn papers.
6、时钟交织- Time interleaving:
提升速度的必要性;基本拓扑和误差:失配,增益,BW和采样;参考负载的问题。
纠错和校准;案例:Doris/Jansen 2013, El-Chammas 2011,Verbruggen 2012,Kapusta 2013, Bradolini 2015, Kull 2016, LeCroy
Correction and calibration; Examples: Doris/Jansen 2013, El-Chammas2011, Verbruggen 2012, Kapusta 2013, Bradolini 2015, Kull 2016, LeCroy;
ADC Part II: 2017年06月26-27日(Boris Murmann)
第一天课程:2017年06月26日(09:00-17:00)
1、逐次比较型ADC - Successive approximation ADCs:
转换器概念;上极板和下极板采样技术;冗余;DAC设计和开关方案;异步时钟;设计案例;
Conversionconcept; Top and bottom-plate sampling; Redundancy; DAC design & switchingschemes; Asynchronous timing; State-of-the-art design examples.
2、流水线性ADC - Pipeline ADCs:
转换器概念;冗余;MDAC设计;级数缩减;设计案例;
Conversion concept; Redundancy;MDAC design; Stage scaling; State-of-the-art design examples.
第二天课程:2017年06月27日(09:00-17:00)
3、过采样ADC -Oversampling ADCs:
噪声整形的概念;一阶调制器;高阶调制器,稳定性;数据加权平均;连续时间环路滤波器;抽取滤镜。
Concept of noise shaping; First-order modulator; High-ordermodulators, stability; Data weighted averaging; Continuous time loop filters; Decimationfilters.
4、SC电路中的噪声分析和仿真- Noiseanalysis and simulation in SC Circuits:
历史展望;无源T/H;有源箱式采样器;无源SC低通滤波器;有源T/H;有源SC积分器;Delta-sigma调制器。
Historical perspective; Passive T/H; Active boxcar sampler;PassiveSC lowpass filter; Active T/H; Active SC Integrator;Delta-sigma modulator.
5、基于gm/ID放大器电路设计-gm/ID-based design of amplifier circuits:
工艺特性;放大器拓扑的考虑;单级放大器;折叠共源共栅放大器;两级放大器;共模反馈的考虑;工艺角。
Process characterization;Amplifier topology considerations; Single-stage amplifier; Folded-cascode amplifier; Two-stage amplifier; Common-mode feedback considerations; Process corners.