I am using AFE4300-EVM, referring document "Impedance Measurement with AFE4300" provided by TI. I tried to measure RC series circuit (R=659, C=100nF). The resulted Magnitude value is somewhat ok but the phase result is of the opposite sign as seen in the image. I also tried datasheet section 8.1.3 "Achieving Deterministic Phase in the IQ Mode" but got no luck. I saw some previous threads about the same problem and want to know if there is any solution.
afraiz
