Electronic apparatus and controlling method
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United States of America Patent
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Jun 13, 2017
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N/A
app pub date -
Apr 8, 2016
filing date -
Jan 14, 2016
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Abstract
An electronic apparatus includes a voltage-controlled oscillator and a biasing circuit. The voltage-controlled oscillator includes varactors. The voltage-controlled oscillator is configured to output an oscillating frequency at a first temperature. The biasing circuit electrically coupled with the varactors is configured to provide a first biasing voltage to the varactors at the first temperature, and provide a second biasing voltage to the varactors at a second temperature, in which the varactors have a first temperature coefficient, and the biasing circuit generates the first biasing voltage and the second biasing voltage according to values of the first temperature coefficient and a second temperature coefficient.
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