A DC-servo baseline restorer and its implementation in biomedical instrumentation

Qi Zhou; Zhigang Wang

doi:10.1117/12.664226

21 March 2006 A DC-servo baseline restorer and its implementation in biomedical instrumentation

Qi Zhou, Zhigang Wang

Author Affiliations +

Proceedings Volume 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials; 60401K (2006) https://doi.org/10.1117/12.664226
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China

Abstract

An AC-coupled amplifier system in biomedical instrumentation suffers from baseline variations which cause problems for the accurate measurement of signal amplitude,which may even be and even out of the measuring range of the system. A DC-servo baseline restorer has been designed to restore the baseline of a DC-coupled signal to a zero DC level. This enables a DC-coupled amplifier to be used in biomedical measurement systems, such as blood cell-sizing and ECG.

Citation Download Citation

Qi Zhou and Zhigang Wang "A DC-servo baseline restorer and its implementation in biomedical instrumentation", Proc. SPIE 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials, 60401K (21 March 2006); https://doi.org/10.1117/12.664226

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