PPT-– 1 – Data Converters Algorithmic ADC Professor Y. Chiu

EECT 7327 Fall 2014 Algorithmic Cyclic ADC Algorithmic Cyclic ADC 2 Data Converters Algorithmic ADC Professor Y Chiu EECT 7327 Fall 2014 Input is sampled first then circulates in the loop for N clock cycles. 4 . Pics. . 1 Word Game 1 . R. E. T. P. L. F. R. M. N. A. I. 2. Prepared by: Sonny Chiu, MA.Ed. P. O. T. E. L. N. P. Y. N. H. O. 4 . Pics. . 1 Word Game 2 . 3. Prepared by: Sonny Chiu, MA.Ed. D. C. NAS-Royal Society . Sackler. Forum , The Frontiers of Machine Learning. Washington DC, 31 Jan-2 February 2017. Professor Karen Yeung. Director, Centre for Technology, Ethics, Law & Society (TELOS). Data Converters. Professor Yun Chiu. © . 2014. Erik . Jonsson. School of Electrical Engineering and Computer Science . University of Texas at . Dallas. Logistics. – . 2. –. Instructor: Professor Yun Chiu. Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. Subranging. ADC. Subranging. ADC Architecture. – . 2. –. Data Converters . Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. EECT 7327 . Fall 2014. Interpolation. Interpolation. – . 2. –. Data Converters Interpolating and Folding ADC Professor Y. Chiu. EECT 7327 . Fall 2014. Uniformly spaced zero-crossings in flash ADCs. EECT 7327 . Fall 2014. Oversampling ADC. Nyquist. -Rate ADC. – . 2. –. Data Converters Oversampling ADC Professor Y. Chiu. EECT 7327 . Fall 2014. The “black box” version of the quantization process. EECT 7327 . Fall 2014. Data Converter Basics. A/D and D/A Conversion. – . 2. –. Data Converters Data Converter Basics Professor Y. Chiu. EECT 7327 . Fall 2014. A/D Conversion. D/A Conversion. EECT 7327 . Fall 2014. Successive Approximation. (SA) ADC. Successive Approximation ADC. – . 2. –. Data Converters Successive Approximation ADC Professor Y. Chiu. EECT 7327 . Fall 2014. Binary search algorithm → N*. EECT 7327 . Fall 2014. DAC Architecture. DAC Architecture. – . 2. –. Data Converters DAC Professor Y. Chiu. EECT 7327 . Fall 2014. Nyquist DAC architectures. Binary-weighted DAC. Unit-element (thermometer-coded) DAC. EECT 7327 Fall 2014. Sample-and-Hold (S/H) Basics. ZOH vs. Track-and-Hold (T/H). – . 2. –. Data Converters Sample-and-Hold Professor Y. Chiu. EECT 7327 Fall 2014. Zero acquisition time. Infinite bandwidth. Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. Subranging. ADC. Subranging. ADC Architecture. – . 2. –. Data Converters . Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. EECT 7327 . Fall 2014. Pipelined ADC. Pipelined ADC Architecture. – . 2. –. Data Converters Pipelined ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. A bucket brigade of algorithmic ADC w/ concurrent operation of all stages. What is ironic about the officers calling Mr. Chiu a saboteur?. Mr. Chiu holds fast to his belief that the police “owe” him an apology and “must” compensate him. Does this happen? Explain.. EECT 7327 . Fall 2014. CMOS Comparator. Comparator. – . 2. –. Data Converters Comparator Professor Y. Chiu. EECT 7327 . Fall 2014. Transfer characteristic. (ideal). Circuit symbol. Detects the polarity of the analog input signal and produces a digital output (1 or 0) accordingly – threshold-crossing detector.