| 摘要 |
A system and method for providing an anticipatory Schmitt trigger circuit that changes the output level of the trigger circuit in anticipation of crossing a predetermined voltage value such as a zero voltage level. In an exemplary embodiment, the anticipatory Schmitt trigger includes a comparator, a feedback resistor, an input resistor, a pull-up resistor, a plurality of voltage divider resistors, and a capacitor.
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