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Mobile wireless communications device with NFC coupling circuit and related methods

  • US 9,014,734 B2
  • Filed: 04/08/2014
  • Issued: 04/21/2015
  • Est. Priority Date: 01/06/2012
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a near field communication (NFC) antenna;

    an NFC circuit;

    a capacitive network comprising a plurality of capacitors coupled in series with each other and in parallel with said NFC antenna;

    a transmit branch coupled between said NFC circuit and a first node between a first pair of capacitors of said plurality thereof; and

    a receive branch coupled between said NFC circuit and the first node between the first pair of capacitors of said plurality thereof.

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