Generating voltage pulse with controllable width
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United States of America Patent
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May 11, 2021
Grant Date -
Oct 8, 2020
app pub date -
Apr 4, 2019
filing date -
Apr 4, 2019
priority date (Note) -
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Abstract
A width of a voltage pulse signal is directly proportional to a difference between first and second resistances in a pulse generator. The voltage pulse signal is generated with a ramp signal, two reference voltages, and two comparators. The first reference voltage is generated with the first resistance and a first current, and the second reference voltage is generated with the second resistance and a second current. The first comparator produces a first comparator output in response to the first reference voltage and the ramp signal, and the second comparator produces a second comparator output in response to the second reference voltage and the ramp signal. A logic circuitry generates the voltage pulse signal in response to the two comparator outputs.
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