Gsps Oversampling Analog-to-Digital Converters with Polarity Alternating Feedback Comparator (original) (raw)

Gsps Oversampling Analog-to-Digital Converters with Polarity Alternating Feedback Comparator

Abstract

This paper presents a polarity alternating feedback (PAF) comparator with a high sampling speed in the range of two to six GS/s with a low power consumption of 140 mW including output bu#ers. Using the PAF comparator, we have designed and fabricated a secondorder ##ADC that has the lowest power consumption Manuscript received July 22, 1998.

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