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MSP430FR6989: TIDM-LC-WATERMTR - Low gap - high signal strength

Part Number: MSP430FR6989
Other Parts Discussed in Thread: TIDM-LC-WATERMTR

Tool/software:

Hello,

We are trying to use the TIDM-LC-WATERMTR code that uses 2 inductors to test our new device and coils. But we are stuck in the calibration.

We have arround 740 mV of voltage gap between metal and non-metal. 

We tried several values and ranges, but our current parameters for the scanif are:

Search_range 4
Separation_factor 3
LC_Threshold_TSM_CAL 500
Delta_level 12

Do you have any suggestions?

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