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AD5933 Impedance Plot Resonance issue

Question asked by VIVOipl_9 on May 16, 2016
Latest reply on May 17, 2016 by musach

Hi,

we are using the AD5933 for Soil impedance measurement but we are getting resonance @ 10kHz to 20kHz range, i am attaching the plot we are receiving for this measurement , our Frequency sweep is from 10hz to 100khz . also attaching the snapshot for the measurement connection, we are  using Vp-p 1.98V and measurement current 10mA.

also we are not getting the correct impedance from the sweep

Any Suggestions ?

 

 

Thanks

Makarand

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