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A Signal Quality-Based Study of Two Compensation Methods for Nonlinear Flash ADCs

McGuinness, Christopher
http://rave.ohiolink.edu/etdc/view?acc_num=dayton1303924586

Abstract Details

2011, Master of Science (M.S.), University of Dayton, Electrical Engineering.
The analog-to-digital conversion of signals is a necessity in a world with an increasing dependance on digital systems. During the process of digitizing signals, signal spectra are nonlinearly distorted due to the nonideal conversion device. Many kinds of nonlinear distortion can occur: inconsistent quantization intervals, clocking inconsistencies, and biasing errors are among the most prevalent. Of these sources, inconsistent quantization intervals is the most degrading to signal fidelity. Significant reduction in spurious free dynamic range, total harmonic distortion, and effective number of bits can be caused by small amounts of quantization error. Thus, methods for compensating the effects of nonlinear quantization have been a topic of considerable research in data conversion circles. Two promising methods in particular, dynamic element matching (DEM) and bit extended error tables (BEET), are simulated and compared to various converter families. It is shown that BEET compensation provides larger improvements for a larger number of converters than if DEM is used.
Eric Balster (Advisor)
Electrical Engineering

Recommended Citations

Citations

  • McGuinness, C. (2011). A Signal Quality-Based Study of Two Compensation Methods for Nonlinear Flash ADCs [Master's thesis, University of Dayton]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1303924586

    APA Style (7th edition)

  • McGuinness, Christopher. A Signal Quality-Based Study of Two Compensation Methods for Nonlinear Flash ADCs. 2011. University of Dayton, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=dayton1303924586.

    MLA Style (8th edition)

  • McGuinness, Christopher. "A Signal Quality-Based Study of Two Compensation Methods for Nonlinear Flash ADCs." Master's thesis, University of Dayton, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1303924586

    Chicago Manual of Style (17th edition)

dayton1303924586
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© 2011, all rights reserved.
This open access ETD is published by University of Dayton and OhioLINK.