Wide-range filter-based sinusoidal wave synthesizer for electrochemical impedance spectroscopy measurements

Chia-Ling Wei, Yi Wen Wang, Bin-Da Liu

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A filter-based wide-range programmable sinusoidal wave synthesizer for electrochemical impedance spectroscopy measurement is proposed. The adopted filter is implemented with switched-capacitor circuits, so its corner frequency is accurate and adjustable by changing its switching frequency. The proposed sine wave synthesizer is implemented by using a 0.35 μm 2P4M 3.3 V mixed-signal polycide process. According to the measured results, the output frequency of the proposed synthesizer is 40 mHz-40 kHz. The measured total harmonic distortion is 0.073% at 10 Hz and 0.075% at 10 kHz, both of which are better than that of a typical function generator.

Original languageEnglish
Article number6594902
Pages (from-to)442-450
Number of pages9
JournalIEEE Transactions on Biomedical Circuits and Systems
Volume8
Issue number3
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Electrochemical impedance spectroscopy
Function generators
Wave filters
Harmonic distortion
Switching frequency
Capacitors
Networks (circuits)

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering
  • Electrical and Electronic Engineering

Cite this

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Wide-range filter-based sinusoidal wave synthesizer for electrochemical impedance spectroscopy measurements. / Wei, Chia-Ling; Wang, Yi Wen; Liu, Bin-Da.

In: IEEE Transactions on Biomedical Circuits and Systems, Vol. 8, No. 3, 6594902, 01.01.2014, p. 442-450.

Research output: Contribution to journalArticle

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