Method and apparatus for calibrating an analog-to-digital conversion apparatus
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United States of America Patent
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Apr 5, 1988
Grant Date -
N/A
app pub date -
Oct 8, 1986
filing date -
Dec 24, 1985
priority date (Note) -
Expired
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Abstract
The phase relation of clock signals to be applied to an interleave type analog-to-digital conversion apparatus having N analog-to-digital converters is calibrated by applying a repetitive reference signal to the N analog-to-digital converters. The digital values from the N analog-to-digital converters are selected at corresponding sampling points of successive cycles of the reference signal. The clock phase relation is adjusted such that the selected digital values are made substantially equal to each other.
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