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Isolated relative impedance measurement

Question asked by mel3 on Jan 9, 2015
Latest reply on Jan 13, 2015 by balajikannan

I have a ADuCM350 evaluation kit and it is successfully connected and running on the EKSP. I'd like to measure the impedance of a sensor which has a capacitance of 34nF and do this measurement over the frequency range 1 KHz to 70 KHz.


In the measurements the sensor will have a static DC voltage applied in steps from 10v to 80v. I'm interested in the impedance measurement and the relative phase changes at each of the DC voltages across the sensor. Is the 4-wire Bio-isolated connection suitable for my measurement?




Mel Strachan