Power supply compensated MOS Schmitt trigger oscillator
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United States of America Patent
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-
Jun 7, 1994
Grant Date -
N/A
app pub date -
Aug 19, 1992
filing date -
Aug 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An MOS oscillator circuit which is relatively immune to power variations in the supply is presented. A capacitor is charged and discharged in responsive to the feedback signal from a Schmitt trigger circuit. The current to charge and discharge the capacitor is generated by a current mirror which is regulated by a constant voltage generator for immunity from power supply variations.
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