Voltage interpolator
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United States of America Patent
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May 30, 2023
Grant Date -
Mar 2, 2023
app pub date -
Aug 30, 2021
filing date -
Aug 30, 2021
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Abstract
Techniques for interpolating two voltages without loading them and without requiring significant power or additional area are described. The techniques include specific topologies for the buffering amplifiers that offer accuracy by cancelling systematic error sources without relying on high gain, thus simplifying the frequency compensation, and reducing power consumption. This can be achieved by biasing the amplifiers from the load current by an innovative feedback structure, which can remove the need for high impedance nodes inside the amplifiers.
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