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Hybrid timing recovery for burst mode receiver in passive optical networks

  • US 9,106,400 B2
  • Filed: 10/23/2012
  • Issued: 08/11/2015
  • Est. Priority Date: 10/23/2012
  • Status: Expired due to Fees
First Claim
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1. An apparatus for coarse phase alignment of an analog signal comprising:

  • a tapped delay line configured to output N delayed signals, wherein each delayed signal has a delay based on a bit period, N, and M;

    a coarse phase alignment logic circuit coupled to the tapped delay line; and

    a selector coupled to the tapped delay line and the coarse phase alignment logic circuit and configured to receive the N delayed signals, wherein N is an integer greater than 1 and M is an integer number of signals output from the apparatus.

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