Invention Grant
US08446168B2 Pre-emphasis technique for on-chip voltage-driven single-ended-termination drivers 有权
用于片上电压驱动单端端接驱动器的预加重技术

  • Patent Title: Pre-emphasis technique for on-chip voltage-driven single-ended-termination drivers
  • Patent Title (中): 用于片上电压驱动单端端接驱动器的预加重技术
  • Application No.: US12968190
    Application Date: 2010-12-14
  • Publication No.: US08446168B2
    Publication Date: 2013-05-21
  • Inventor: Fares K. Maarouf
  • Applicant: Fares K. Maarouf
  • Applicant Address: US CA San Diego
  • Assignee: QUALCOMM, Incorporated
  • Current Assignee: QUALCOMM, Incorporated
  • Current Assignee Address: US CA San Diego
  • Agent William M. Hooks
  • Main IPC: H03K17/16
  • IPC: H03K17/16 H03K19/003
Pre-emphasis technique for on-chip voltage-driven single-ended-termination drivers
Abstract:
A transmitter configured for pre-emphasis is described. The transmitter includes a voltage-driven single-ended-termination driver circuitry. The voltage-driven single-ended-termination driver circuitry includes a first termination point and a second termination point. The transmitter also includes a pre-emphasis encoder circuitry. The pre-emphasis encoder circuitry receives a pre-emphasis signal. The transmitter may reduce signal loss in transmission lines by detecting a transition in a data stream, adjusting a source determination resistance and obtaining a gain from the adjusted source determination resistance.
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