Invention Grant
US08666010B1 Phase detector for bursty data streams 有权
用于突发数据流的相位检测器

  • Patent Title: Phase detector for bursty data streams
  • Patent Title (中): 用于突发数据流的相位检测器
  • Application No.: US13625100
    Application Date: 2012-09-24
  • Publication No.: US08666010B1
    Publication Date: 2014-03-04
  • Inventor: Paolo Novellini
  • Applicant: Xilinx, Inc.
  • Applicant Address: US CA San Jose
  • Assignee: Xilinx, Inc.
  • Current Assignee: Xilinx, Inc.
  • Current Assignee Address: US CA San Jose
  • Agent Gerald Chan; Lois D. Cartier
  • Main IPC: H04L7/00
  • IPC: H04L7/00
Phase detector for bursty data streams
Abstract:
A bursty phase detector comprises upper and lower branches. The upper branch includes a voltage-controlled oscillator (VCO) providing a VCO phase; a phase detector with a first input for receiving a data stream and a second input coupled to the output of the VCO, the phase detector providing a phase error; a sample selector with a first input for receiving a sum of the VCO phase and the phase error, and a second input coupled to receive the data stream, the sample selector providing a data stream sample; a signal stream detector with a first input for receiving the sum of the VCO phase and the phase error, and a second input coupled to the output of the sample selector, the signal stream detector generating a data stream phase and a data stream detect signal. The lower branch includes a delay component with an input for receiving the data stream.
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