Temperature compensation device and electronic apparatus comprising such a device
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United States of America Patent
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N/A
Issued Date -
Jun 19, 2003
app pub date -
Dec 6, 2002
filing date -
Dec 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to an electronic apparatus comprising at least one transistor having a control terminal and an intrinsic capacitance junction with a variable value as a function of the temperature, said transistor being associated with a compensation device for compensating the effects of the variation of said intrinsic capacitance junction. To this end, the electronic apparatus is characterized in that said compensation device comprises a combination of means behaving as a variable capacitance, said variable capacitance having such a variation as a function of the temperature that it compensates said effects, said variable capacitance being connected to said intrinsic capacitance. The invention is particularly advantageous for compensating the frequency drift of a voltage-controlled oscillator.
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