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Electrochemical impedance spectroscopy (EIS) is a widely used technique in biomedical and chemical analysis. A novel 10-bit impedance-to-digital converter (IDC), which can measure and directly convert the magnitude and phase of impedance to digital codes, is proposed for the EIS measurement system. The proposed IDC is composed of a magnitude-to-digital converter (MDC) and a phase-to-digital converter...
Electrochemical impedance spectroscopy (EIS) is a widely used technique in biomedical and chemical analysis. A prototype of comparative frequency response analysis (FRA) system for measuring EIS is proposed in this work. Compared to traditional FRA-based systems, neither quadrature sinusoidal signals nor two identical sensing paths are needed. The experimental results based on molecularly imprinted...
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