Transcription of Advanced Digital Calibration Techniques for Data Converters
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Advanced Digital Calibration Techniques for Data Converters
12/3/2014. Erik Jonsson School of Engineering & Computer Science Advanced Digital Calibration Techniques for data Converters Yun Chiu Erik Jonsson Distinguished Professor university of texas at dallas Presentation Outline Principles of Multistep A/D Conversion Architectural Redundancy Error Mechanisms and Digital -Domain Calibration Error-Parameter Identification PRBS Test-Signal Injection (sub-ADC, sub-DAC, input). Two-ADC Equalization ( , split-ADC, ODC). Energy Efficiency and Trend Summary EECT 7326, Fall 2014 -2- Y. Chiu 1. 12/3/2014. Presentation Outline Principles of Multistep A/D Conversion Architectural Redundancy Error Mechanisms and Digital -Domain Calibration Error-Parameter Identification PRBS Test-Signal Injection (sub-ADC, sub-DAC, input). Two-ADC Equalization ( , split-ADC, ODC). Energy Efficiency and Trend Summary EECT 7326, Fall 2014 -3- Y. Chiu What is A/D Conversion? CT, CA DT, DA.. VFS V t V nTs . LSB = = , Dout n = in = 2N in . t=nTs . N. 2 VFS . Quantization = division + normalization + truncation VFS is the Full-Scale range of ADC determined by Vref.
Techniques for Data Converters Yun Chiu Erik Jonsson Distinguished Professor University of Texas at Dallas EECT 7326, Fall 2014-2-© Y. Chiu Presentation Outline
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