Adder
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United States of America Patent
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Feb 22, 1994
Grant Date -
N/A
app pub date -
May 6, 1993
filing date -
May 15, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention has an object to provide a device possible to add analog values. The adder of this invention input an output of an operational amplifier to a reference voltage terminal on the output side of another operational amplifier, adds analog values, judges in digital if a carry is performed or not with respect to a value after addition including a carry-in, the value after addition is increased or decreased according to the judgment.
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