• Patent Title: Partial response receiver and related method
  • Application No.: US12835500
    Application Date: 2010-07-13
  • Publication No.: US08345738B2
    Publication Date: 2013-01-01
  • Inventor: Aliazam Abbasfar
  • Applicant: Aliazam Abbasfar
  • Applicant Address: US CA Sunnyvale
  • Assignee: Rambus Inc.
  • Current Assignee: Rambus Inc.
  • Current Assignee Address: US CA Sunnyvale
  • Agent Steven J. Cahill
  • Main IPC: H03H7/30
  • IPC: H03H7/30
Partial response receiver and related method
Abstract:
A multi-phase partial response equalizer circuit includes sampler circuits that sample an input signal to generate sampled signals in response to sampling clock signals having different phases. A first multiplexer circuit selects one of the sampled signals as a first sampled bit to represent the input signal. A first storage circuit coupled to an output of the first multiplexer circuit stores the first sampled bit in response to a first clock signal. A second multiplexer circuit selects one of the sampled signals as a second sampled bit to represent the input signal based on the first sampled bit. A second storage circuit stores a sampled bit selected from the sampled signals in response to a second clock signal. A time period between the second storage circuit storing a sampled bit and the first storage circuit storing the first sampled bit is substantially greater than a unit interval in the input signal.
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