Concentric servo voltage regulator utilizing an inner servo loop and an outer servo loop
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United States of America Patent
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Jan 16, 1996
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N/A
app pub date -
Aug 9, 1993
filing date -
Aug 9, 1993
priority date (Note) -
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Abstract
The present invention is a concentric servo method and apparatus using two servo loops to control and stabilize the output of an electronic voltage regulator. An inner and outer servo loop are employed. The inner servo loop resembles the control loop of a conventional voltage regulator while the outer servo loop controls the sense threshold of the inner servo loop. The outer servo loop senses the voltage delivered to an external load resistance and controls the sense threshold of the inner servo loop to compensate for the voltage loss which may occur between the regulator output and the actual load resistance. The inner loop retains its high speed to regulate out any input voltage irregularities such as ripple and noise. The present invention gives better stability than conventional remote sensing voltage regulator circuits.
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