Voltage-controlled capacitor circuit and related circuitry with diode and MOS varactors
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United States of America Patent
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Jul 10, 2007
Grant Date -
Oct 30, 2003
app pub date -
Jul 4, 2002
filing date -
Apr 25, 2002
priority date (Note) -
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Abstract
A voltage-controlled capacitor circuit and related circuitry. The voltage-controlled capacitor circuit includes a metal-oxide semiconductor (MOS) varactor, a diode varactor, and/or a capacitor with fixed capacitance. The MOS varactor, the diode varactor and the capacitor are electrically connected in parallel or in series to form a capacitor with a preferred characteristic of voltage-controlled capacitance.
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