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ANALYSIS OF PERFORMANCE A SCANNING ANALOG-DIGITAL CONVERTER OF THE “TIME-IMPULSE” TYPE WITH A COARSELY-ACCURATE SYSTEM OF A COUNTING
- Authors: Hodorovsky AZ1, Nazarov AV1
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Affiliations:
- Moscow Aviation Institute
- Issue: Vol 18, No 3 (2017)
- Pages: 373-381
- Section: Articles
- URL: https://journals.rudn.ru/engineering-researches/article/view/17337
- DOI: https://doi.org/10.22363/2312-8143-2017-18-3-373-381
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Abstract
Dynamic properties of ADC time-impulse type with a coarse-fine reference system are analyzed. The concept of the acceleration coefficient of the transformation process is introduced, and its dependence on the number of discharges and the number of conversion steps is investigated. Recommendations for the choice of the parameters of the transducers are given. A technique is proposed for the optimal distribution of discharges over the conversion stages, which ensures the best dynamic properties of coarse-accurate converters. It is shown that the implementation of coarse-precision methods provides multiple acceleration of the conversion. The fastest rate increase observed in the transition from a single-stage to a two-step transformation.
About the authors
A Z Hodorovsky
Moscow Aviation Institute
Author for correspondence.
Email: ahazz@mail.ru
Khodorovsky Alexander Zinovievich, Cand.Tech.Sci., Associate Professor of Information Technologies in the Design of Radioelectronic Devices, Moscow Aviation Institute (MAI). Research interests: digital electronics, analog-to-digital and digital-to-analog conversion of signals, theory of automata, pipelining of data.
Novaya Basmannaya str., 16-а, Moscow, Russia, 107078A V Nazarov
Moscow Aviation Institute
Email: rat-rut@yandex.ru
Aleksandr V. Nazarov, Doctor of Technical Sciences, Professor, Head of the Department of Information Technology of Radio Electronic Device Design, Moscow Aviation Institute (MAI). Research interests: design automation and automation control systems for design of radio electronic devices.
Novaya Basmannaya str., 16-а, Moscow, Russia, 107078References
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