MULTI-CHANNEL DIGITAL-ANALOG SYSTEM BASED ON CURRENT-CURRENT CONVERTERS

Olexiy Azarov; Yevhenii Heneralnytskyi; Nataliia Rybko

doi:10.35784/iapgos.2082

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Published: Dec 19, 2020

DOI: https://doi.org/10.35784/iapgos.2082

Issue Vol. 10 No. 4 (2020)

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MULTI-CHANNEL DIGITAL-ANALOG SYSTEM BASED ON CURRENT-CURRENT CONVERTERS
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DOI

https://doi.org/10.35784/iapgos.2082

Authors

Olexiy Azarov

azarov2@vntu.edu.ua

Vinnitsa National Technical University, Ukraine

http://orcid.org/0000-0002-8501-1379

Yevhenii Heneralnytskyi

gesvntu@gmail.com

Vinnitsa National Technical University, Ukraine

http://orcid.org/0000-0003-0205-382X

Nataliia Rybko

rybkonatvik@gmail.com

Vinnitsa National Technical University, Ukraine

http://orcid.org/0000-0002-6968-3044

Abstract

An approach to building a multi-channel digital-analog system is proposed, in which, unlike the known ones, a code-current converter, a controlled current generator, and also a current communication block are used. For a given accuracy, this saves on the analog system equipment. It has been shown that the proposed principle of building a controlled current source in the form of a highly linear push-pull amplifier – current scalar on bipolar transistors with a grounded load – has a high output resistance and wide bandwidth, which allows the use of current switching to implement the multi-channel system mode.

Keywords:

DAC, frequency response, phase response, linearity error of the transfer characteristic

References

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Azarov, O., Heneralnytskyi, Y., & Rybko, N. (2020). MULTI-CHANNEL DIGITAL-ANALOG SYSTEM BASED ON CURRENT-CURRENT CONVERTERS. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 10(4), 43–46. https://doi.org/10.35784/iapgos.2082

MULTI-CHANNEL DIGITAL-ANALOG SYSTEM BASED ON CURRENT-CURRENT CONVERTERS

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