Invention Grant
US09568503B2 Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing 有权
用于测试和测量仪器的校准,包括使用谐波混合的异步时间交错数字化仪

  • Patent Title: Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing
  • Patent Title (中): 用于测试和测量仪器的校准,包括使用谐波混合的异步时间交错数字化仪
  • Application No.: US14971727
    Application Date: 2015-12-16
  • Publication No.: US09568503B2
    Publication Date: 2017-02-14
  • Inventor: Daniel G. KnierimBarton T. Hickman
  • Applicant: Tektronix, Inc.
  • Applicant Address: US OR Beaverton
  • Assignee: Tektronix, Inc.
  • Current Assignee: Tektronix, Inc.
  • Current Assignee Address: US OR Beaverton
  • Agency: Marger Johnson
  • Agent Michael A. Nelson
  • Main IPC: G01R23/14
  • IPC: G01R23/14 G01R13/02 H03M1/12
Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing
Abstract:
A test and measurement instrument includes a coefficient storage facility coupled to a programmable filter. The coefficient storage facility is configured to store at least two pre-determined filter coefficient sets, and configured to pass a selected one of the at least two pre-determined filter coefficient sets to the filter based on a measurement derived using a compensation oscillator. The measurement may include clock delay and clock skew. In some examples the test and measurement instrument may additionally adjust clock delay and/or clock skew in addition to selecting appropriate filter coefficients.
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