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Fully differential fifth-order dual-notch low-pass filter for portable EEG system

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21460%2F22%3A00358194" target="_blank" >RIV/68407700:21460/22:00358194 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26220/22:PU144639

  • Result on the web

    <a href="https://doi.org/10.1016/j.aeue.2022.154122" target="_blank" >https://doi.org/10.1016/j.aeue.2022.154122</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.aeue.2022.154122" target="_blank" >10.1016/j.aeue.2022.154122</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Fully differential fifth-order dual-notch low-pass filter for portable EEG system

  • Original language description

    This paper presents a new fully differential fifth-order dual-notch low-pass filter based on multiple-input multiple-output operational transconductance amplifiers (MIMO OTA). This work shows that MIMO OTA-based fifthorder dual-notch filter can reduce the number of used OTAs, resulting in simplified realization and low-power consumption. The multiple-input OTA is obtained by using the multiple-input dynamic threshold MOS (DTMOS) technique without additional differential pairs. A simple common-mode feedback technique has been used; thus, fully differential OTA can be easily obtained. The proposed dual-notch low-pass filter can be applied to electroencephalogram (EEG) detection system to reject the 50 Hz powerline interference and the third harmonic 150 Hz. The proposed filter has been simulated using Cadence environment with 0.18 mu m TSMC CMOS process. The power supply of 0.5 V is used and the total power consumption of the MIMO OTA is 17.5 nW. The proposed filter provides 49.7 dB dynamic range for 1% total harmonic distortion (THD) for a sine input signal of 250 mVpp at 10 Hz. At 50 Hz and 150 Hz the notch depths of attenuation are respectively -37.2 dB and -47.4 dB. The pre-layout simulation results are in good agreement with the theory.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20201 - Electrical and electronic engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    AEU-International Journal of Electronics and Communications

  • ISSN

    1434-8411

  • e-ISSN

    1618-0399

  • Volume of the periodical

    146

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    8

  • Pages from-to

    1-8

  • UT code for WoS article

    000795767900004

  • EID of the result in the Scopus database

    2-s2.0-85123222248