Method for testing nonlinearity error of high speed...

Details Method for testing nonlinearity error of high speed... Method for testing nonlinearity error of high speed...

2011-07-19

2011-07-19

Williams, Howard (Department: 2819)

Coded data generation or conversion

Converter calibration or testing

C341S118000

Reexamination Certificate

active

07982642

ABSTRACT:
A novel method applies the down-conversion sampling technology to test a high-speed digital-to-analog conversion. In the method, a digital-to-analog conversion output signal of a high-speed digital-to-analog converter and a low-frequency sinusoidal carrier wave signal input to a comparator to obtain a low-speed pulse signal. Therefore, the variation of the pulse width of the low-speed pulse signal can be measured by a common logic analyzer to assess the nonlinearity error of the high-speed digital-to-analog converter.

REFERENCES:
patent: 6651023 (2003-11-01), Mori et al.
patent: 2005/0088164 (2005-04-01), Geiger et al.
patent: 731584 (1980-05-01), None

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