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Apparatus for type-A demodulation and integrated circuit card including the same

  • US 8,120,419 B2
  • Filed: 03/12/2010
  • Issued: 02/21/2012
  • Est. Priority Date: 03/13/2009
  • Status: Expired due to Fees
First Claim
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1. A type-A demodulator, comprising:

  • a first rectifier configured to rectify a radio frequency (RF) signal received through an antenna and output a first voltage;

    a second rectifier configured to rectify the RF signal received through the antenna and output a second voltage having a different voltage level than the first voltage; and

    a pause data detector configured to compare the first voltage with the second voltage and to detect received pause data.

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