CLOCK APPARATUS
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Feb 19, 2013
filing date -
Feb 19, 2013
priority date (Note) -
Abandoned
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Abstract
The invention provides a clock apparatus includes a clock source, a first resistor, a diode, an amplifier, and an oscillator. The current source provides a current, and the current has a first temperature coefficient. The first resistor has a first end, and the first end receives the current. The anode of the diode is coupled to a second end of the first resistor, the cathode of the diode is coupled to a reference ground. The diode has a second temperature coefficient. The amplifier receives a power source. The amplifier generates an output voltage according to the power source and a voltage on the first end of the first resistor. The oscillator receives the output voltage to be an operating power. Wherein, the first and second temperature coefficients are complementary.
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