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Single Topology-Based Reconfigurable Positive and Negative Immittance Circuit and its Application as Multifunction Filter and Quadrature Oscillator.

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Title: Single Topology-Based Reconfigurable Positive and Negative Immittance Circuit and its Application as Multifunction Filter and Quadrature Oscillator.
Authors: Kumar, Navnit1,2 (AUTHOR) navnitnitmanipur@gmail.com, Kumar, Manjeet1 (AUTHOR) manjeetchhillar@gmail.com, Pandey, Neeta1 (AUTHOR) n66pandey@rediffmail.com
Source: Journal of Circuits, Systems & Computers. 10/1/2025, Vol. 34 Issue 15, p1-22. 22p.
Subjects: Operational amplifiers, Passive components, Complementary metal oxide semiconductors, Capacitors, Topology
Abstract: This paper reports a reconfigurable positive and negative immittance circuit using single topology built with Operational Transconductance Amplifier (OTA). The purpose of this paper is to introduce a reconfigurable positive and negative immittance circuit using minimum number of active and passive components. Changing the gate voltage of MOS switches makes it simple to flip between positive and negative operating modes. The designed circuit employs only one grounded capacitor as a passive component, which makes it compatible with current integration technologies. Layout area of the designed immittance circuit is 50.1 μ m × 1 5. 8 5 μ m. Nonideal impact of OTA on the proposed circuit is also evaluated mathematically. In addition, resistorless single topology-based reconfigurable multifunction filter and quadrature oscillator circuits are also designed using proposed immittance circuits. The values of cut-off frequency of multifunction filter and oscillating frequency of quadrature oscillator may be tuned via modifying the transconductance of OTA. Monte Carlo and PVT analyses of the proposed circuits are illustrated to show the robustness of the designed circuits. The functionality of the designed circuits is demonstrated by SPICE simulation based on the 90 nm CMOS process parameter. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Circuits, Systems & Computers is the property of World Scientific Publishing Company 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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Header DbId: egs
DbLabel: Engineering Source
An: 186291128
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Single Topology-Based Reconfigurable Positive and Negative Immittance Circuit and its Application as Multifunction Filter and Quadrature Oscillator.
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  Data: <searchLink fieldCode="AR" term="%22Kumar%2C+Navnit%22">Kumar, Navnit</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> navnitnitmanipur@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Kumar%2C+Manjeet%22">Kumar, Manjeet</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> manjeetchhillar@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Pandey%2C+Neeta%22">Pandey, Neeta</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> n66pandey@rediffmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Circuits%2C+Systems+%26+Computers%22">Journal of Circuits, Systems & Computers</searchLink>. 10/1/2025, Vol. 34 Issue 15, p1-22. 22p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Operational+amplifiers%22">Operational amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Passive+components%22">Passive components</searchLink><br /><searchLink fieldCode="DE" term="%22Complementary+metal+oxide+semiconductors%22">Complementary metal oxide semiconductors</searchLink><br /><searchLink fieldCode="DE" term="%22Capacitors%22">Capacitors</searchLink><br /><searchLink fieldCode="DE" term="%22Topology%22">Topology</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper reports a reconfigurable positive and negative immittance circuit using single topology built with Operational Transconductance Amplifier (OTA). The purpose of this paper is to introduce a reconfigurable positive and negative immittance circuit using minimum number of active and passive components. Changing the gate voltage of MOS switches makes it simple to flip between positive and negative operating modes. The designed circuit employs only one grounded capacitor as a passive component, which makes it compatible with current integration technologies. Layout area of the designed immittance circuit is 50.1 μ m × 1 5. 8 5 μ m. Nonideal impact of OTA on the proposed circuit is also evaluated mathematically. In addition, resistorless single topology-based reconfigurable multifunction filter and quadrature oscillator circuits are also designed using proposed immittance circuits. The values of cut-off frequency of multifunction filter and oscillating frequency of quadrature oscillator may be tuned via modifying the transconductance of OTA. Monte Carlo and PVT analyses of the proposed circuits are illustrated to show the robustness of the designed circuits. The functionality of the designed circuits is demonstrated by SPICE simulation based on the 90 nm CMOS process parameter. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Circuits, Systems & Computers is the property of World Scientific Publishing Company 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1142/S0218126625503293
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 22
        StartPage: 1
    Subjects:
      – SubjectFull: Operational amplifiers
        Type: general
      – SubjectFull: Passive components
        Type: general
      – SubjectFull: Complementary metal oxide semiconductors
        Type: general
      – SubjectFull: Capacitors
        Type: general
      – SubjectFull: Topology
        Type: general
    Titles:
      – TitleFull: Single Topology-Based Reconfigurable Positive and Negative Immittance Circuit and its Application as Multifunction Filter and Quadrature Oscillator.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Kumar, Navnit
      – PersonEntity:
          Name:
            NameFull: Kumar, Manjeet
      – PersonEntity:
          Name:
            NameFull: Pandey, Neeta
    IsPartOfRelationships:
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          Dates:
            – D: 01
              M: 10
              Text: 10/1/2025
              Type: published
              Y: 2025
          Identifiers:
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              Value: 02181266
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            – Type: volume
              Value: 34
            – Type: issue
              Value: 15
          Titles:
            – TitleFull: Journal of Circuits, Systems & Computers
              Type: main
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