A low frequency low pass filter based on R2R-differnce term-combined- approach

Yaqub Mahnashi; Hussain Alzaher; Noman Tasadduq

doi:10.1109/TAEECE.2013.6557195

A low frequency low pass filter based on R2R-differnce term-combined- approach

Yaqub Mahnashi, Hussain Alzaher, Noman Tasadduq

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Real time continuous low frequency filters are difficult to be integrated using Active-RC structure due to the large constant time and hence large resistors and/or capacitors. A new approach based on combining R2R ladder and difference term approach to realize low pass filter is proposed. In this approach a low power performance is achieved as number of R2R ladder networks are relaxed. The proposed filter was designed and simulated in 0.18μ CMOS technology by Tanner tools. A comparison between the proposed design and some related work in the literature is made. The filter with a pole of 150Hz which is suitable for ECG system consumes only 4.52μW from ±0.65 V and achieving total harmonic distortion of -73dB.

Original language	English
Title of host publication	2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013
Pages	57-60
Number of pages	4
DOIs	https://doi.org/10.1109/TAEECE.2013.6557195
State	Published - 2013

Publication series

Name	2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013

Keywords

0.18μ CMOS technology
Active-RC
ECG system
R2R ladder
Real time continuous low frequency filters

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/TAEECE.2013.6557195

Cite this

Mahnashi, Y., Alzaher, H., & Tasadduq, N. (2013). A low frequency low pass filter based on R2R-differnce term-combined- approach. In 2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013 (pp. 57-60). Article 6557195 (2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013). https://doi.org/10.1109/TAEECE.2013.6557195

Mahnashi, Yaqub ; Alzaher, Hussain ; Tasadduq, Noman. / A low frequency low pass filter based on R2R-differnce term-combined- approach. 2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013. 2013. pp. 57-60 (2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013).

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title = "A low frequency low pass filter based on R2R-differnce term-combined- approach",

abstract = "Real time continuous low frequency filters are difficult to be integrated using Active-RC structure due to the large constant time and hence large resistors and/or capacitors. A new approach based on combining R2R ladder and difference term approach to realize low pass filter is proposed. In this approach a low power performance is achieved as number of R2R ladder networks are relaxed. The proposed filter was designed and simulated in 0.18μ CMOS technology by Tanner tools. A comparison between the proposed design and some related work in the literature is made. The filter with a pole of 150Hz which is suitable for ECG system consumes only 4.52μW from ±0.65 V and achieving total harmonic distortion of -73dB.",

keywords = "0.18μ CMOS technology, Active-RC, ECG system, R2R ladder, Real time continuous low frequency filters",

author = "Yaqub Mahnashi and Hussain Alzaher and Noman Tasadduq",

year = "2013",

doi = "10.1109/TAEECE.2013.6557195",

language = "English",

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Mahnashi, Y , Alzaher, H & Tasadduq, N 2013, A low frequency low pass filter based on R2R-differnce term-combined- approach. in 2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013., 6557195, 2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013, pp. 57-60. https://doi.org/10.1109/TAEECE.2013.6557195

A low frequency low pass filter based on R2R-differnce term-combined- approach. / Mahnashi, Yaqub ; Alzaher, Hussain; Tasadduq, Noman.
2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013. 2013. p. 57-60 6557195 (2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Real time continuous low frequency filters are difficult to be integrated using Active-RC structure due to the large constant time and hence large resistors and/or capacitors. A new approach based on combining R2R ladder and difference term approach to realize low pass filter is proposed. In this approach a low power performance is achieved as number of R2R ladder networks are relaxed. The proposed filter was designed and simulated in 0.18μ CMOS technology by Tanner tools. A comparison between the proposed design and some related work in the literature is made. The filter with a pole of 150Hz which is suitable for ECG system consumes only 4.52μW from ±0.65 V and achieving total harmonic distortion of -73dB.

AB - Real time continuous low frequency filters are difficult to be integrated using Active-RC structure due to the large constant time and hence large resistors and/or capacitors. A new approach based on combining R2R ladder and difference term approach to realize low pass filter is proposed. In this approach a low power performance is achieved as number of R2R ladder networks are relaxed. The proposed filter was designed and simulated in 0.18μ CMOS technology by Tanner tools. A comparison between the proposed design and some related work in the literature is made. The filter with a pole of 150Hz which is suitable for ECG system consumes only 4.52μW from ±0.65 V and achieving total harmonic distortion of -73dB.

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Mahnashi Y , Alzaher H, Tasadduq N. A low frequency low pass filter based on R2R-differnce term-combined- approach. In 2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013. 2013. p. 57-60. 6557195. (2013 The International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, TAEECE 2013). doi: 10.1109/TAEECE.2013.6557195

A low frequency low pass filter based on R2R-differnce term-combined- approach

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