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Multi-frequency and Multi-channel Bio-impedance Measurement Solution

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4 Author(s)
Martens, O. ; Inst. of Electron., Tallinn Univ. of Technol. ; Min, M. ; Land, R. ; Annus, P.

A DSP-based solution for the 16-bit multi-frequency and multi-channel bio-impedance measurement unit, using of under-sampling discrete Fourier' transform (DFT) has been proposed and realized. The unit has multiple outputs (8) and inputs (4), and operates at frequencies up to 5 MHz. Some performance matters of the proposed solution are discussed, mostly related to noise aliasing and accuracy depending on modulation signal frequency

Published in:
Signal Processing Symposium, 2006. NORSIG 2006. Proceedings of the 7th Nordic

Date of Conference: June 2006

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