Hello Team,
We have designed the NFC custom coil antenna using Coil Designer Tool.
We are using NFC coil antenna with our custom PCB and we had taken reference of this tool to calculate the inductance value.
As per our mechanical dimensions, we entered the input parameters and we got the resultant inductance value. (Screenshot attached)
With the given values we fabricated the PCBs and we measured the inductance value with LCR meter.
As per calculation from tool, inductance value is 337nH (as per attached screenshot), but if we measure the value using LCR meter, it is around 680nH (which is more than double).
Can anyone please suggest why there is so much difference in both?
Thanks In Advance !
Kaushal K