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Zhongguo Yi Liao Qi Xie Za Zhi. 2021 Jun 08;45(3):284-287. doi: 10.3969/j.issn.1671-7104.2021.03.011.

[Design of Pulse Signal Acquisition System of Adaptive Wide Dynamic Range Based on ADS125H02].

Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation

[Article in Chinese]
Rou Wu, Jilun Ye, Xu Zhang, Jie Liu, Maojie Yuan, Bin Wen

Affiliations

  1. School of Biomedical Engineering, Shenzhen University, Shenzhen, 518060.
  2. Shenzhen Key Laboratory of Biomedical Engineering, Shenzhen, 518060.
  3. School of Biomedical Engineering, Shenzhen University, Shenzhen, 518060. E-mail:[email protected].
  4. Guangdong Key Laboratory of Biomedical Signal Detection and Ultrasonic Imaging, Shenzhen, 51806.

PMID: 34096237 DOI: 10.3969/j.issn.1671-7104.2021.03.011

Abstract

In order to solve the problem of wide input range of photocurrent, aiming at the shortage of existing pulse signal acquisition system, an adaptive pulse signal acquisition system based on ADS125H02 is designed, which has high collection accuracy, low noise, anti-interference, wide input range, high integration, etc. The measurement range of the system can reach ±10 V, and the accuracy is 0.009 μV. Experimental tests show that the design of the system can extract weak pulse signals, and has good practicality.

Keywords: ADS125H02; adaptive; isolation module; wide input range

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