Very high-speed CMOS comparators for multi-GS/s A/D converters

Conference paper (2015)

Authors

D.G. Muratore Pavia University
Alper Akdikmen Istanbul Technical University
Franco Maloberti Pavia University
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Published Date

2015

Language

English

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Abstract

Ultra high-speed comparators for data-converters operating with conversion rate of 10+ GS/s are discussed. It is shown that the use of nanometer technologies and specific architectures allow comparator speeds in the 30 ps range or below. State-of-the-art schemes of latch are critically analysed and strategies for enhancing the speed are discussed. A novel scheme, the latch with embedded preamp, increases the speed of the fast scheme by almost a factor 2.