Biomaterial Impedance Analyzer Based on Digital Auto Balancing Bridge

Nan Li; Yi Nan Wang; Hong Shan Nie; Hong Qi Yu; Hui Xu

doi:10.4028/www.scientific.net/AMR.291-294.1259

Paper Titles

Electro-Conductive Property of Polymeric Composite under Impact Loading Using a Modified SHPB
p.1243

Duplex Stainless Steel Microstructure Display and Microscopic Study
p.1247

Study on Flux-Pinned Interaction between High-Temperature Superconductor and Permanent Magnet and Flux-Pinning’s Self-Stability
p.1251

Mechanical Test on Pipe Collapse under External Pressure
p.1255

Biomaterial Impedance Analyzer Based on Digital Auto Balancing Bridge
p.1259

Evaluation Method for Fabric Non-Iron Pleat Plasticity
p.1263

Determination of Exciting Power and Saturation Characteristics for Dual Laminated Core Models
p.1267

The Equipment on High Sensitive Test of Infrared Directional Emissivity of Materials
p.1272

Design and Experiment of Electromagnetically Induced Acoustic Emission for Metal Crack Detection
p.1278

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 291-294Biomaterial Impedance Analyzer Based on Digital...

Biomaterial Impedance Analyzer Based on Digital Auto Balancing Bridge

Abstract:

This paper presents the design method of a novel biomaterial impedance analyzer based on digital auto balancing bridge method. The system hardware mainly consists of FPGA, ADC, DACs and operational amplifiers. Many DSP algorithms such as direct digital frequency synthesis (DDS), digital phase sensitive demodulation (DPSD), digital modulation and digital filter are implemented in FPGA to realize the auto balancing function of the bridge circuit. Simulation results show that the system has good performance from low frequency to 10MHz. It is suitable for EIS application in biomaterial analysis.

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Periodical:

Advanced Materials Research (Volumes 291-294)

Pages:

1259-1262

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.291-294.1259

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Online since:

July 2011

Authors:

Nan Li, Yi Nan Wang, Hong Shan Nie, Hong Qi Yu, Hui Xu

Keywords:

Auto Balancing Bridge, Biomaterial Impedance Analyzer, DABB, EIS, Field-Programmable Gate Array (FPGA)

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References

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