ADC Part I: 2017年06月05-06日(Marcel Pelgrom)
第一天課程:2017年06月05日(09:00-17:00)
1、ADC基礎- Fundamentals of ADC:
採樣,奈奎斯特,kT/C,抖動,重構;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 架構概述- Overview elementary ADC/DAC architectures:架構:
一元,二進位,非二進位,電阻型、電容型、電流舵型和時鐘型DAC設計;基本的ADC拓撲:Flash型;基本的ADC拓撲:Log型:子範圍,流水線,SAR;基本的ADC拓撲:線型:斜率;基本的ADC拓撲:基於時間,SD型;比較:優缺點,頻率和分別率範圍;
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、數模轉換器- Digital-to-analog conversion:
架構:一元,二進位;電阻型DAC:阻抗、版圖、統計分析;電流舵型DAC: 調製,排序算法;電容型DAC: 版圖,共質心畫法等;
Architectures: unary, binary, resistive DAC: impedance, lay-out,statistical analysis; current steering DAC: modulation, sorting algorithms; capacitiveDAC: lay-out, common centroid etc.
4、基準電路-Reference circuits:
各種基準源,Bandgap基礎;如何設計一個基準電路;
Various reference options, fundamental bandgap properties; How todesign a reference circuit.
第二天課程:2017年06月06日(09:00-17:00)
5、Flash 轉換器- Flash conversion:
比較器:基礎知識,速度,BER,遲滯,統計,8種拓撲結構,梯型電阻陣列設計,反衝(Kick-back);
解碼;良率計算;增益級和平均,摺疊式轉換器;技術:降低電晶體增益效應,失配的影響;
幾個新穎的案例:level-crossing 型ADC,M.Flynn 的論文;
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、時鐘交織- Time interleaving:
提升速度的必要性;基本拓撲和誤差:失配,增益,BW和採樣;參考負載的問題。
糾錯和校準;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)
第一天課程:2017年06月26日(09:00-17:00)
1、逐次比較型ADC - Successive approximation ADCs:
轉換器概念;上極板和下極板採樣技術;冗餘;DAC設計和開關方案;異步時鐘;設計案例;
Conversionconcept; Top and bottom-plate sampling; Redundancy; DAC design & switchingschemes; Asynchronous timing; State-of-the-art design examples.
2、流水線性ADC - Pipeline ADCs:
轉換器概念;冗餘;MDAC設計;級數縮減;設計案例;
Conversion concept; Redundancy;MDAC design; Stage scaling; State-of-the-art design examples.
第二天課程:2017年06月27日(09:00-17:00)
3、過採樣ADC -Oversampling ADCs:
噪聲整形的概念;一階調製器;高階調製器,穩定性;數據加權平均;連續時間環路濾波器;抽取濾鏡。
Concept of noise shaping; First-order modulator; High-ordermodulators, stability; Data weighted averaging; Continuous time loop filters; Decimationfilters.
4、SC電路中的噪聲分析和仿真- Noiseanalysis and simulation in SC Circuits:
歷史展望;無源T/H;有源箱式採樣器;無源SC低通濾波器;有源T/H;有源SC積分器;Delta-sigma調製器。
Historical perspective; Passive T/H; Active boxcar sampler;PassiveSC lowpass filter; Active T/H; Active SC Integrator;Delta-sigma modulator.
5、基於gm/ID放大器電路設計-gm/ID-based design of amplifier circuits:
工藝特性;放大器拓撲的考慮;單級放大器;摺疊共源共柵放大器;兩級放大器;共模反饋的考慮;工藝角。
Process characterization;Amplifier topology considerations; Single-stage amplifier; Folded-cascode amplifier; Two-stage amplifier; Common-mode feedback considerations; Process corners.