NFCのトピックNFC antnna matching

NFC antnna matching

cyskkk — Mon, 13 May 2024 09:27:26 GMT

Hi,

I wanted to make a mobile device that needed a low-cost NFC solution. NXP has the following solution, please ask how to select inductors Ltx and capacitors Ctx.

Re: NFC antnna matching

Tomas_Parizek — Thu, 16 May 2024 17:56:43 GMT

Hello cyskkk,

See this document. It might help.

Tomas

Re: NFC antnna matching

cyskkk — Thu, 16 May 2024 09:08:41 GMT

Hello,

Thank you for your reply. I still have a few questions.The document mentions an L-shaped antenna as shown below，How is this antenna designed.

Re: NFC antnna matching

Tomas_Parizek — Thu, 16 May 2024 12:46:29 GMT

Hello cyskkk,

This is a combined antenna for NFC and UHF. Do you need UHF for your design?

Such an antenna should be simulated in a dedicated RF tool like Ansys HFSS or CST Studio.

Tomas

Re: NFC antnna matching

cyskkk — Fri, 17 May 2024 01:38:45 GMT

hello,

I have not received the document, please send a new one, thank you.