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https://doi.org/10.1007/s10470-005-3007-x
Title: | A CMOS continuous-time low-pass notch filter for EEG systems | Authors: | Qian, X. Xu, Y.P. Li, X. |
Keywords: | EEG Low-pass notch filter OTA-C Powerline interference |
Issue Date: | Sep-2005 | Citation: | Qian, X., Xu, Y.P., Li, X. (2005-09). A CMOS continuous-time low-pass notch filter for EEG systems. Analog Integrated Circuits and Signal Processing 44 (3) : 231-238. ScholarBank@NUS Repository. https://doi.org/10.1007/s10470-005-3007-x | Abstract: | A CMOS OTA-C low-pass notch filter for EEG application is described. The pass-band covers four bands of brain wave and provides more than 65 dB attenuation for the 50 Hz power line interference. The OTA works in the weak inversion region and a low transconductance of 3 nA/V is achieved. The low transconductance enables using small capacitors in the OTA-C filter so that the filter is suitable for the multi-channel EEG integrated circuits. The measured results show the good performance of the filter for filtering the noise in acquired EEG signals. © 2005 Springer Science + Business Media, Inc. | Source Title: | Analog Integrated Circuits and Signal Processing | URI: | http://scholarbank.nus.edu.sg/handle/10635/53942 | ISSN: | 09251030 | DOI: | 10.1007/s10470-005-3007-x |
Appears in Collections: | Staff Publications |
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