ST的在线仿真NFC天线工具:https://eds.st.com/antenna/#/
NXP的也是有的:https://www.nxp.com.cn/products/rfid-nfc/nfc-hf/nfc-readers/nfc-antenna-design-hub:NFC-ANTENNA-DESIGN-TOOL
有两个ST与NXP的,地址如下
https://eds.st.com/antenna/#/ https://www.nxp.com.cn/products/rfid-nfc/nfc-hf/nfc-readers/nfc-antenna-design-hub:NFC-ANTENNA-DESIGN-TOOL