Antenna connected to only TX1

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Antenna connected to only TX1

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philip_czymmek
Contributor I

Hello,

quick question about the MFRC522. We are using a custom build antenna. Would connecting the antenna is only to one of the two TX pins work? Or do I need to connect an antenna to both TX1 and TX2?

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fangfang
NXP TechSupport
NXP TechSupport

Hello.

>>Would connecting the antenna is only to one of the two TX pins work?

Yes, If the customer build antenna supports it.

I  send the related design to you via email. Please check it .

Have a nice day.

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