29 June 2005 An ECG signal acquisition system integrated in a 0.35 μm CMOS technology
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Abstract
In this paper we present an integrated ECG acquisition system implemented in a standard 0.35 μm CMOS technology. The system mainly consists of amplifiers, filters and an automatic offset compensation module. Composed of comparator, control logic and D/A converter, the compensator is an analog-digital mixed system and designed through a top-down approach. It is an independent module and can be easily reused. A low-pass filter of low cutoff frequency has been realized by using a Gm-C structure with very low bias current. Experimental measurements on the fabricated chip have been done. The results show that the integrated circuit works well with a low noise, a low consumption and a high efficacy of the offset compensator.
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Lingchuan Zhou, Anthony Bozier, Jean-Philippe Blonde, Michel Kraemer, Jacques Felblinger, Francis Braun, "An ECG signal acquisition system integrated in a 0.35 μm CMOS technology", Proc. SPIE 5839, Bioengineered and Bioinspired Systems II, (29 June 2005); doi: 10.1117/12.608674; https://doi.org/10.1117/12.608674
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