1998
DOI: 10.1109/82.664250
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Harmonic distortion in high-speed differential A/D converters

Abstract: The brief discusses the harmonic distortion introduced by the differential input adapter commonly used in flash and folding A/D converters operating without Sample and Hold. A distributed model of the adapter is proposed, which provides physical insight and allows quantitative evaluation. Moreover, a technique based on a feedforward compensation is presented. It provides a significant reduction of the harmonic distortion with a small increase of the die area.

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Cited by 6 publications
(1 citation statement)
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“…Therefore such subranging solution is not feasible in the GS/s range. The problem has been overcome in the present design using a novel subranging technique based on a couple of dynamic resistive strings [8]. Usually CMOS high-speed ADCs with differential input makes use of a single resistive string providing the required voltage references and dual-differential preamplifiers [9].…”
Section: The Rectifiermentioning
confidence: 99%
“…Therefore such subranging solution is not feasible in the GS/s range. The problem has been overcome in the present design using a novel subranging technique based on a couple of dynamic resistive strings [8]. Usually CMOS high-speed ADCs with differential input makes use of a single resistive string providing the required voltage references and dual-differential preamplifiers [9].…”
Section: The Rectifiermentioning
confidence: 99%