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Baud rate tracking and compensation apparatus and method

  • US 10,511,464 B2
  • Filed: 09/12/2018
  • Issued: 12/17/2019
  • Est. Priority Date: 09/13/2017
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a sampling circuit configured to sample a reception signal according to a clock and generate a sampled result, the sampling circuit being configured to generate a transition notification signal when the sampled result indicates a transition of the reception signal;

    a clock counting circuit configured to count cycles of the clock between a first transition of the reception signal and a second transition of the reception signal according to the clock and the transition notification signal and to generate a number of the cycles of the clock between the first transition of the reception signal and the second transition of the reception signal;

    a bit counting circuit configured to count bit(s) between the first transition and the second transition according to the clock and a bit cycle indicative of cycles of the clock per bit, so as to generate a number of the bit(s) between the first transition of the reception signal and the second transition of the reception signal; and

    a divisional circuit configured to update the bit cycle with a calculation value obtained by dividing the number of the cycles of the clock by the number of the bit(s).

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