Design of a window comparator with adaptive error threshold for online testing applications

This paper investigates techniques to minimize process-variation induced performance degradation in pipeline ADCs via circuit reconfiguration. By taking advantage of the modularity existing in pipeline ADC circuits, this work introduces a configurable switch network that makes it possible to move more accurate pipeline circuits to the preceding stages along the signal processing path. The reconfiguration feature also adds online testing capabilities and enhances fault-tolerance of pipeline ADCs. An implementation of reconfigurable 10-bit 1.5-bit per stage pipeline ADC circuit is presented. Circuit simulation shows both improved circuit performance and fault tolerance are achieved by circuit reconfiguration. 1

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Design of a window comparator with adaptive error threshold for online testing applications

Abstract: Abstract

Cited by 2 publications

References 19 publications

Checkers for Online Self‐Testing of Analog Circuits

Checkers for Online Self‐Testing of Analog Circuits

A Reconfigurable ADC Circuit with Online-Testing Capability and Enhanced Fault Tolerance

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