Experiment of 3-Phase N-path Filter for Hum Noise Suppression

Khilda Afifah, Retdian Nicodimus, Muhammad Arijal, Takeshi Shima

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

One of a critical problem in the biomedical signals measurements is hum noise activity due to power line interference. Various approaches to suppress hum noise both analog and digital techniques have been proposed. However, these approaches have some disadvantages. N-path notch filter can be an alternative solution for this problem. The notch depth in a conventional N-path notch filter is limited by the number of paths to achieve deeper notch. This paper proposes a new N-path notch filter with additional sample-and-hold (S/H) and leak buffer circuits to improve notch depth. Simulation and measurement results of 3-phase N-path filter achieve notch depth of 61.6dB and 54.5dB respectively.

Original languageEnglish
Title of host publication2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728103976
DOIs
Publication statusPublished - 2019 Jan 1
Event2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Sapporo, Japan
Duration: 2019 May 262019 May 29

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
Volume2019-May
ISSN (Print)0271-4310

Conference

Conference2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019
CountryJapan
CitySapporo
Period19/5/2619/5/29

Fingerprint

Switched filters
Notch filters
Buffer circuits
Experiments

Keywords

  • EEG
  • Hum noise suppression
  • N-path notch filter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Afifah, K., Nicodimus, R., Arijal, M., & Shima, T. (2019). Experiment of 3-Phase N-path Filter for Hum Noise Suppression. In 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings [8702340] (Proceedings - IEEE International Symposium on Circuits and Systems; Vol. 2019-May). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.2019.8702340

Experiment of 3-Phase N-path Filter for Hum Noise Suppression. / Afifah, Khilda; Nicodimus, Retdian; Arijal, Muhammad; Shima, Takeshi.

2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. 8702340 (Proceedings - IEEE International Symposium on Circuits and Systems; Vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Afifah, K, Nicodimus, R, Arijal, M & Shima, T 2019, Experiment of 3-Phase N-path Filter for Hum Noise Suppression. in 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings., 8702340, Proceedings - IEEE International Symposium on Circuits and Systems, vol. 2019-May, Institute of Electrical and Electronics Engineers Inc., 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019, Sapporo, Japan, 19/5/26. https://doi.org/10.1109/ISCAS.2019.8702340
Afifah K, Nicodimus R, Arijal M, Shima T. Experiment of 3-Phase N-path Filter for Hum Noise Suppression. In 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2019. 8702340. (Proceedings - IEEE International Symposium on Circuits and Systems). https://doi.org/10.1109/ISCAS.2019.8702340
Afifah, Khilda ; Nicodimus, Retdian ; Arijal, Muhammad ; Shima, Takeshi. / Experiment of 3-Phase N-path Filter for Hum Noise Suppression. 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. (Proceedings - IEEE International Symposium on Circuits and Systems).
@inproceedings{21d63554371341f5902515c4ca756d3d,
title = "Experiment of 3-Phase N-path Filter for Hum Noise Suppression",
abstract = "One of a critical problem in the biomedical signals measurements is hum noise activity due to power line interference. Various approaches to suppress hum noise both analog and digital techniques have been proposed. However, these approaches have some disadvantages. N-path notch filter can be an alternative solution for this problem. The notch depth in a conventional N-path notch filter is limited by the number of paths to achieve deeper notch. This paper proposes a new N-path notch filter with additional sample-and-hold (S/H) and leak buffer circuits to improve notch depth. Simulation and measurement results of 3-phase N-path filter achieve notch depth of 61.6dB and 54.5dB respectively.",
keywords = "EEG, Hum noise suppression, N-path notch filter",
author = "Khilda Afifah and Retdian Nicodimus and Muhammad Arijal and Takeshi Shima",
year = "2019",
month = "1",
day = "1",
doi = "10.1109/ISCAS.2019.8702340",
language = "English",
series = "Proceedings - IEEE International Symposium on Circuits and Systems",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings",

}

TY - GEN

T1 - Experiment of 3-Phase N-path Filter for Hum Noise Suppression

AU - Afifah, Khilda

AU - Nicodimus, Retdian

AU - Arijal, Muhammad

AU - Shima, Takeshi

PY - 2019/1/1

Y1 - 2019/1/1

N2 - One of a critical problem in the biomedical signals measurements is hum noise activity due to power line interference. Various approaches to suppress hum noise both analog and digital techniques have been proposed. However, these approaches have some disadvantages. N-path notch filter can be an alternative solution for this problem. The notch depth in a conventional N-path notch filter is limited by the number of paths to achieve deeper notch. This paper proposes a new N-path notch filter with additional sample-and-hold (S/H) and leak buffer circuits to improve notch depth. Simulation and measurement results of 3-phase N-path filter achieve notch depth of 61.6dB and 54.5dB respectively.

AB - One of a critical problem in the biomedical signals measurements is hum noise activity due to power line interference. Various approaches to suppress hum noise both analog and digital techniques have been proposed. However, these approaches have some disadvantages. N-path notch filter can be an alternative solution for this problem. The notch depth in a conventional N-path notch filter is limited by the number of paths to achieve deeper notch. This paper proposes a new N-path notch filter with additional sample-and-hold (S/H) and leak buffer circuits to improve notch depth. Simulation and measurement results of 3-phase N-path filter achieve notch depth of 61.6dB and 54.5dB respectively.

KW - EEG

KW - Hum noise suppression

KW - N-path notch filter

UR - http://www.scopus.com/inward/record.url?scp=85066812000&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85066812000&partnerID=8YFLogxK

U2 - 10.1109/ISCAS.2019.8702340

DO - 10.1109/ISCAS.2019.8702340

M3 - Conference contribution

AN - SCOPUS:85066812000

T3 - Proceedings - IEEE International Symposium on Circuits and Systems

BT - 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

ER -