Post Go back to editing

ADUCM355 impedance measurement question

Product Number: ADuCM355
Software Version: M355_Impedance

We have try to test the ADuCM355 impendance measurement function. we found some problem need you help. Please kindly refer below info and advice. Thanks.

We using the sample code (M355_Impedance) to  test. Now we hve a question as below.

1. When we power on and down load the sample code to measure the75Kohm. We got the RzMag and Rz Phase value as below picture.

2. After step 1, we push the reset button on EVM than re-run the program. the resule have some problem. RzPhase always hold on 0 degree.