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Modular Discrete and CMOS Integrated Implementations of High-Speed Analog Rank-Order Filters

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Abstract

Modular discrete and integrated implementations of a continuous-time analog rank-order N input filter are presented that uses one operational transconductance amplifier per input. Rank is programmable for all values from \(k=1\) (min case) to \(k=N\) (max case). The implementation is based on transconductance cells with high transconductance gain and symmetrical output current saturating characteristics. Experimental results for both discrete and CMOS integrated implementations are presented that verify functionality and the high-frequency characteristics of the proposed implementations.

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Authors and Affiliations

  1. Klipsch School of Electrical and Computer Engineering, New Mexico State University, Las Cruces, USA

    Jaime Ramírez-Angulo

  2. National Institute for Astrophysics, Optics and Electronics, Puebla, 72840, Mexico

    A. Díaz-Sánchez & J. Miguel Rocha-Pérez

  3. Universidad de Sevilla, 41004, Seville, Spain

    R. González-Carvajal

  4. Universidad Pública de Navarra, 31006, Pamplona, Spain

    A. López-Martin

Authors
  1. Jaime Ramírez-Angulo
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  2. A. Díaz-Sánchez
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  3. R. González-Carvajal
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  4. A. López-Martin
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  5. J. Miguel Rocha-Pérez
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Correspondence to J. Miguel Rocha-Pérez.

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Ramírez-Angulo, J., Díaz-Sánchez, A., González-Carvajal, R. et al. Modular Discrete and CMOS Integrated Implementations of High-Speed Analog Rank-Order Filters. Circuits Syst Signal Process 37, 5637–5646 (2018). https://doi.org/10.1007/s00034-018-0830-8

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  • DOI: https://doi.org/10.1007/s00034-018-0830-8

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