Integrated circuit precision resistor ratio matching
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United States of America Patent
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Mar 28, 2000
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Jul 29, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A precision analog circuit ensures precision matching between two or more resistive elements. In order that the two or more resistive elements are truly matched, a first electrical value, such as V.sub.DS, of the two or more resistive elements are equal and a second electrical value, such as V.sub.GS, of the two or more resistive elements are equal so that a ratio of the first resistive element to the second resistive element is a predetermined value regardless of the voltage coefficients of the resistive elements.
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