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A digital signal-processing instrument for impedance measurement

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3 Author(s)

A digital signal processing (DSP)-based instrument for impedance measurement is proposed. It implements two measurement techniques: the first technique allows the tracking of a time varying impedance to be carried out, and the second assures that good accuracy is obtained in reasonable measurement times. Both the software and the hardware of a prototype model are described in detail. The measurement rates and accuracy are evaluated and compared with those obtained using a reference Digibridge for a wide range of impedance values

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Instrumentation and Measurement, IEEE Transactions on  (Volume:45 ,  Issue: 6 )