Logarithm/inverse-logarithm converter utilizing a truncated Taylor series and method of use thereof
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United States of America Patent
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Feb 18, 1997
Grant Date -
N/A
app pub date -
Jan 31, 1995
filing date -
Jan 31, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A converter which may be used for implementing either logarithmic or inverse-logarithmic functions is disclosed. The converter includes a memory, two multiplier, and two adders. The memory stores a plurality of coefficient which are based on a second-order Taylor polynomial used to estimate a logarithmic or inverse-logarithmic function over a domain of input values. A method of using the converter is also disclosed.
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