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TIDM-RF430-TEMPSENSE: Groundings

Ray Vincent Aranzaso
Genius 13535 points
Part Number: TIDM-RF430-TEMPSENSE

Hi,

Good Day. I have a customer who is working with TIDM-RF430-TEMPSENSE. Please see below for his query for your reference. Thank you very much.

I have a question about the TIDM-RF430-TEMPSENSE. It´s a question about the electrical design. The GND-Layer is not designed as a solid polygon, but as a net of straight traces. Is this better for the NFC-performance?

Why this hatched Design of the GND polygon is used in the TIDM-RF430-TEMPSENSE. Could it be better than a solid one due to the NFC-performance of the PCB-antenna?

Best Regards,

Ray Vincent

  • 0
    TI__Mastermind 18265 points

    Hi Ray,

    the hatched design in the GND plane has nothing to do with the performance of the tag. The coupling of the reader and the tag is only a magnetic coupling and copper is a non magnetic material. I think the reason for this design is more production related.

    Best Regards,

    Helfried