Low-power consumption reference pulse generator
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United States of America Patent
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Oct 21, 1986
Grant Date -
N/A
app pub date -
Jun 29, 1982
filing date -
Jul 3, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reference pulse generator comprises a quartz crystal oscillator, a frequency divider connected to the oscillator for frequency dividing the oscillator output, and a constant current generator connected in series both with the oscillator and the frequency divider to control the current applied to the oscillator from a power source. The constant current generator comprises a current limiting element, such as a MOSFET, which is controlled by a reference voltage produced by a reference voltage generator.
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