Design and Calibration of Adaptive Sub-ranging ADCs Resistant to Amplifiers Gain Errors

Łukasz Małkiewicz, Konrad Jędrzejewski

Abstract

The paper develops a method for designing and calibrating adaptive ADCs robust to internal amplifiers gain errors. As part of the proposed solution, a simple method of postproduction measurement of the actual gain values of amplifiers utilizing the internal ADC, is proposed and analyzed. Efficiency and particularities of application of the proposed approach are discussed on the basis of the results of computer simulations.

Keywords

ADC, adaptive ADC, calibration, gain estimation, performance improvement

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IMEKO-TC4-2016-11.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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