A Programmable delta - sigma Modulator Using Floating Gates

kevinwjs

I INTRODUCTION 1
1.1 Previous work on delta-sigma Modulators Involving Floating Gates 1
II OPERATIONAL TRANSCONDUCTANCE AMPLIFIER DESIGN . 4
2.1 Traditional Subthreshold Design 4
2.2 Linearity Issues 8
2.3 Common Mode Feedback 12
III DESIGN OF THE delta-sigma MODULATOR 21
3.1 Top Level Overview 21
3.2 1-bit Current DAC 22
3.3 Comparator Structure 25
3.4 SPICE Simulation Results 27
IV EXPERIMENTAL delta-sigma MODULATOR MEASUREMENTS 29
4.1 Test Setup 29
4.2 2nd Order Results 35
4.3 3rd Order Results 39
4.4 Modulator with Unlatched Comparator Results 42
V HIGH LEVEL MODELLING 46
5.1 Using SIMULINK For High Level Modelling 46
VI CONCLUSION 50
6.1 Future Work 51
6.2 Distribution of Work 52

fanjx

希望是好东西

fanjx

希望是好东西

zjqmyron

浮栅真牛

rfjungle

thanks!!!

jeffej

A Programmable delta - sigma Modulator Using Floating Gates