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Active Notch RC-Filters of the Fourth Order with an Adjustable Delay Band and Uneven Amplitude–Frequency Response

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Abstract—Potential structural schemes of notch filters (NFs) of the fourth order are considered. Equations for the coefficients of their transfer functions are given. A graphical interpretation of the parameters of the amplitude–frequency response (AFR) of the proposed NF is presented. An implementation example of the fourth-order NF is studied and simulated in the Micro-Cap 12 environment, confirming the possibility of independent adjustment of AFR unevenness in the passband and in the stopband.

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Funding

The work was supported by the Russian Science Foundation (project no. 18-79-10109-P).

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Authors and Affiliations

  1. Don State Technical University, 344003, Rostov-on-Don, Russia

    D. Yu. Denisenko & N. N. Prokopenko

  2. Southern Federal University, 344006, Rostov-on-Don, Russia

    D. Yu. Denisenko

  3. Institute for Design Problems of Microelectronics, Russian Academy of Sciences, 124365, Zelenograd, Moscow oblast, Russia

    N. N. Prokopenko

Authors
  1. D. Yu. Denisenko
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  2. N. N. Prokopenko
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Correspondence to N. N. Prokopenko.

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The authors declare that there is no conflict of interest.

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Translated by N. Petrov

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Denisenko, D.Y., Prokopenko, N.N. Active Notch RC-Filters of the Fourth Order with an Adjustable Delay Band and Uneven Amplitude–Frequency Response. J. Commun. Technol. Electron. 68, 192–198 (2023). https://doi.org/10.1134/S1064226923020043

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  • DOI: https://doi.org/10.1134/S1064226923020043

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