Analog/digital converter using the weighing method
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United States of America Patent
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May 9, 1989
Grant Date -
N/A
app pub date -
Aug 31, 1987
filing date -
Sep 2, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A clock-controlled analog/digital converter operating according to the weighing method includes a sample-and-hold element with an analog input, a comparator having inputs and a successive approximation register having a data output. The sample-and-hold element, the comparator and the successive approximation register being mutually interconnected in series. The successive approximation register includes memory elements for incrementing a defined logical state for each successive weighing step as well as for writing in and storing in memory the particular result of weighing ascertained by the comparator. A digital/analog converter has an input side connected to the data output and an output side connected to one of the inputs of the comparator. A decoder controls the comparator and the successive approximation register and has an input side connected to the data output.
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