Single-Ended NFC Antenna Design

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Single-Ended NFC Antenna Design

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nextsteve
Contributor III

Hi I am working on an NFC design based on the CLRC663 controller.

I am wondering if there is a concept for making the antenna single-ended (ground-referenced instead of differentially driven) such as by simply not connecting TXN/ RXN or using a balun in front of the coil.

Thanks,

Steve

 clrc_ant.PNG

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weidong_sun
NXP TechSupport
NXP TechSupport

Hello Steve,

    See attachment,please!

Regards,

Weidong

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neelshah
Contributor III

Dear Wigros,

Thank you for the PDF document.

Can you also please suggest if such a balun will work?

https://www.mouser.com/ProductDetail/murata/dxw21bn2511nl/?qs=byeeYqUIh0N5dfXcIlSvRA%3D%3D&countryco... 

and if so how do we use it?

We are using the PN7462AUHN and not the CLRC663 as suggested by Steve.

Thanks

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