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Measuring resistor with AD5933 EVB

Question asked by Bahar on Jan 29, 2013
Latest reply on Feb 6, 2013 by Bahar

Hi

 

I am trying to use AD5933 EVB to measure unknown resistors between 5-30 ohm.

I am confused about choosing the Z and RFB for first step (calibration)

Based on my understanding at first we should choose a resistor for this two and do the calibration and then remove Z; put our UNKNOWN resistor and do the measurement. Is that right?

But how we can choose a right value for Z and RFB?

 

Regards

Bahareh

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