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Application of High-Linearity Analog Optocoupler in DSP Acquisition Circuit

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Abstract:

An applied hardware circuit for detecting the AGC signals isolated with DSP is designed based on a high-linearity analog optocoupler. The problem of narrow measuring scope, low linearity and instability which caused by noisy signals is resolved when collects industrial analog signals into DSP. The practical circuit with proper design of components is designed through repeated experiments. The experiment data are analyzed by the method of least-square. The analyzed results show this circuit has the high accuracy and good linearity.

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Periodical:

Applied Mechanics and Materials (Volume 232)

Pages:

944-948

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.232.944

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Online since:

November 2012

Authors:

Ying Qi Tan, Xiang Yang Liu, Bao Qing Den

Keywords:

AGC Detecting, Analog Isolation, HCNR200, Linear Optocoupler

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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References

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