Precision measurements and calibrations for timing generators
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Jun 15, 2015
filing date -
Jun 15, 2015
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Abstract
Described herein are methods and subsystems for use with a timing generator having an output driver at which a timing signal having timing pulses is output. A method includes controlling the timing generator to cause the output driver to output a timing signal having an expected duty cycle, and filtering the timing signal to produce a DC voltage having a magnitude indicative of an actual duty cycle of the timing signal. The method also includes converting the DC voltage to a digital value indicative of the actual duty cycle of the timing signal. The method can also include comparing the digital value to an expected value corresponding to the expected duty cycle, and using results of the comparing to determine an error associated with the timing generator and/or produce a calibration table that can be used to calibrate the timing generator and/or calibrate a measurement made using the timing generator.
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