Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jun 22, 2017
app pub date -
Dec 27, 2016
filing date -
May 26, 2011
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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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