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Functional Properties and Frequency Characteristics of Low-Sensitive RC Filters Based on Micropower Operational Amplifiers.

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Title: Functional Properties and Frequency Characteristics of Low-Sensitive RC Filters Based on Micropower Operational Amplifiers.
Authors: Denisenko, D. Yu.1 (AUTHOR), Prokopenko, N. N.1,2 (AUTHOR) prokopenko@sssu.ru, Ivanov, Yu. I.3 (AUTHOR)
Source: Russian Microelectronics. Sep2019, Vol. 48 Issue 5, p299-309. 11p.
Subjects: Operational amplifiers, Filters & filtration, Analog-to-digital converters, Signal processing, Transfer functions, Microelectronics
Abstract: The main designs of low-sensitivity multiloop active RC filters (ARCFs) based on micropower operational amplifiers (OAs) for preliminary sensor signal processing in microelectronic measuring systems with analog-to-digital converters are discussed. Thirteen modifications of the integrators included in the active RC filter structure are presented and classified. The equations for their transfer functions, which take into account the effect of the integrator topology and the amplification area of micropower OAs, are obtained. As an example, the frequency responses of three universal low-sensitivity ARCF circuits for implementing bandpass, high-pass, and low-pass filters are compared. It is shown by computer simulation that the investigated ARCFs based on identical micropower OAs differ from each other in the effect of the amplification areas of the OAs on the implemented frequency responses. [ABSTRACT FROM AUTHOR]
Copyright of Russian Microelectronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Functional Properties and Frequency Characteristics of Low-Sensitive RC Filters Based on Micropower Operational Amplifiers.
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  Data: <searchLink fieldCode="JN" term="%22Russian+Microelectronics%22">Russian Microelectronics</searchLink>. Sep2019, Vol. 48 Issue 5, p299-309. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Operational+amplifiers%22">Operational amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Filters+%26+filtration%22">Filters & filtration</searchLink><br /><searchLink fieldCode="DE" term="%22Analog-to-digital+converters%22">Analog-to-digital converters</searchLink><br /><searchLink fieldCode="DE" term="%22Signal+processing%22">Signal processing</searchLink><br /><searchLink fieldCode="DE" term="%22Transfer+functions%22">Transfer functions</searchLink><br /><searchLink fieldCode="DE" term="%22Microelectronics%22">Microelectronics</searchLink>
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  Label: Abstract
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  Data: The main designs of low-sensitivity multiloop active RC filters (ARCFs) based on micropower operational amplifiers (OAs) for preliminary sensor signal processing in microelectronic measuring systems with analog-to-digital converters are discussed. Thirteen modifications of the integrators included in the active RC filter structure are presented and classified. The equations for their transfer functions, which take into account the effect of the integrator topology and the amplification area of micropower OAs, are obtained. As an example, the frequency responses of three universal low-sensitivity ARCF circuits for implementing bandpass, high-pass, and low-pass filters are compared. It is shown by computer simulation that the investigated ARCFs based on identical micropower OAs differ from each other in the effect of the amplification areas of the OAs on the implemented frequency responses. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Russian Microelectronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S1063739719050020
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        Text: English
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        Type: general
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      – SubjectFull: Analog-to-digital converters
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      – TitleFull: Functional Properties and Frequency Characteristics of Low-Sensitive RC Filters Based on Micropower Operational Amplifiers.
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              M: 09
              Text: Sep2019
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