High performance zero-crossing based pipelined analog-to-digtal converters
Name
751864307-MIT.pdf
Description
Full printable version
Size
5.39 MB
Format
Adobe PDF
Checksum (MD5)
41af4f3c2aa7c33eb6302f6542325006
Author(s)
Chu, Yue Jack
Advisor(s)
Hae-Seung Lee.
Alternative Title
High performance zero-crossing based analog-to-digital converters
High performance zero-crossing based pipelined analog-to-digital converters
Date Issued
2011
Publisher
Massachusetts Institute of Technology
Abstract
As CMOS processes continue to scale to smaller dimensions, the increased fT of the devices and smaller parasitic capacitance allow for more power ecient and faster digital circuits to be made. But at the same time, output impedance of transistors has gone down, as have the power supply voltages, and leakage currents have increased. These changes in the technology have made analog design more difficult. More specifically, the design of a high gain op-amp, a fundamental analog building block, has become more difficult in scaled processes. In this work, op-amps in pipelined ADCs are replaced with zero-crossing detectors(ZCD). Without the closed-loop feedback provided by the op-amp, a new set of design constraints for Zero-Crossing Based Circuits (ZCBC) is explored.
Description
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2011.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student submitted PDF version of thesis.
Includes bibliographical references (p. 133-137).
Subjects
Electrical Engineering and Computer Science.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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