Power supply configuration for low-noise applications in limited-energy environments
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United States of America Patent
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Issued Date -
Apr 18, 2002
app pub date -
Nov 1, 2001
filing date -
Nov 1, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A voltage regulator configuration is disclosed for combining the advantages of a linear regulator with the advantages of a switching regulator. The configuration includes a switching regulator that operates most of the time, but is disabled during sensitive measurements. A linear regulator operates for the brief periods that the switching regulator is disabled. This configuration eliminates any interference caused by switching harmonics and minimizes any inefficiencies that are inherent in the operation of the linear regulator. This configuration is particularly suitable for allowing periodic, high-sensitivity measurements in limited energy environments.
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