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LDC1000EVM: Inductance and frequency count results are different from datasheet value.

Part Number: LDC1000EVM
Other Parts Discussed in Thread: LDC1001

Hi, I'm Tien.

I'm new to LDC1000evm. I ran into some problems with the evaluation module.

I had to upgrade the firmware for LDC1000 because at first, it doesn't work. (similar to this thread

After upgrading the firmware, the EVM was able to connect. But the results I got are not similar to the one in the datasheet. The results are as below:

The unloaded inductance result should be around 18uH. But the result I got is 4.9uH. Please help me. Thank you very much.