3bit Adc
DURRMANN Antoine
GEAMBLU Clément
4 AE
I- INTRODUCTION ............................................................................................................................. 1
II- COMPARATORS: ........................................................................................................................... 2
1. SIMPLE COMPARATOR .................................................................................................................... 2
2. COMPLEX COMPARATOR ................................................................................................................ 3
III- VOLTAGE DIVIDER: .................................................................................................................. 5
1. WITH NMOS ................................................................................................................................. 5
2. WITH RESISTOR ............................................................................................................................. 6
IV- BUBBLE ERRORS. .................................................................................................................... 7
V- FINAL DESIGN AND TESTS. ....................................................................................................... 12
VI- CONCLUSION.......................................................................................................................... 14
VII- BIBLIOGRAPHY ....................................................................................................................... 14
ADC 3-bits Flash
DURRMANN Antoine – GEAMBLU Clément 1
I- Introduction
We have decided to design an one-step Flash converter. As shown in the schematic below, in this type of ADC the input signal is compared to the 2n nodes of resistors. At the output of the comparators, the sampled input value can be read in thermometer-code. At the beginning of this project, we were novice in circuit
GEAMBLU Clément
4 AE
I- INTRODUCTION ............................................................................................................................. 1
II- COMPARATORS: ........................................................................................................................... 2
1. SIMPLE COMPARATOR .................................................................................................................... 2
2. COMPLEX COMPARATOR ................................................................................................................ 3
III- VOLTAGE DIVIDER: .................................................................................................................. 5
1. WITH NMOS ................................................................................................................................. 5
2. WITH RESISTOR ............................................................................................................................. 6
IV- BUBBLE ERRORS. .................................................................................................................... 7
V- FINAL DESIGN AND TESTS. ....................................................................................................... 12
VI- CONCLUSION.......................................................................................................................... 14
VII- BIBLIOGRAPHY ....................................................................................................................... 14
ADC 3-bits Flash
DURRMANN Antoine – GEAMBLU Clément 1
I- Introduction
We have decided to design an one-step Flash converter. As shown in the schematic below, in this type of ADC the input signal is compared to the 2n nodes of resistors. At the output of the comparators, the sampled input value can be read in thermometer-code. At the beginning of this project, we were novice in circuit
Bibliography: · Basic CMOS Cell Design By Etienne SICARD and Sonia DELMAS BNDIA · Advanced CMOS Cell Design By Etienne SICARD and Sonia DELMAS BNDIA · Mixed-Signal Electonic by Prof. Dr Doris Schmitt-Landsiedel.