Hysteresis comparator for input voltages and corresponding electronic circuit
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United States of America Patent
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Issued Date -
Feb 22, 2007
app pub date -
Aug 22, 2006
filing date -
Aug 22, 2005
priority date (Note) -
Abandoned
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Abstract
The disclosure relates to a hysteresis comparator of a first input voltage and a second input voltage. The comparator includes a first differential stage whose first and second inputs are respectively powered by the said first and second input voltages, and at least one second differential stage symmetrical to the said first differential stage. Two inputs of the said second differential stage are respectively powered by first and second reference voltages. At least one first current, dependent on the difference between the first and second input voltages, is compared with at least one second current dependent on the difference between the second and first reference voltages.
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