Whether can I use a balun to transfer the 37-ohm Balanced output signal to 50-ohm single-end single for coaxial transferring?

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Whether can I use a balun to transfer the 37-ohm Balanced output signal to 50-ohm single-end single for coaxial transferring?

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ernst_jin
Contributor I

The RFID controller such as PN7150B0HN/C11002Y or the general MRF522 reader with the match network the impedance is about 37-ohm, whether can I use a balun to transfer to impedance to 50/75-ohm single-ended signal for coaxial transferring?

There is a picture in the doc AN11314 Multiple Antennas on Single Reader IC.

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The TX2 pin is not used, whether it would affect the access distance? 

The document I am getting now, so far is not in hand.

Could you help to check my idea?

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weidong_sun
NXP TechSupport
NXP TechSupport

Hi Ernst,

    I will send the related diagram on the usage of single-ended antenna by personal email. check it , please!

Have a nice day!

BR,

weidong

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ilsoojung
Contributor I

Hi Wigros,

our customer also want to MFRC6xx single ended antenna design for cost reduction.

if possible, please also share related design doc?

thanks,

ilsoo

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