Selectable Capacitance Circuit
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United States of America Patent
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Feb 1, 2011
Grant Date -
Jun 17, 2010
app pub date -
Feb 2, 2010
filing date -
Sep 27, 2004
priority date (Note) -
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Abstract
A voltage-controlled capacitor and methods for forming the same are described. A mechanical conductor membrane of the voltage-controlled capacitor is movable to and from a first position and a second position. An amount of capacitance can vary with the movement of the mechanical conductor membrane. A microelectromechanical systems (MEMS) voltage-controlled capacitor can be used in a variety of applications, such as, but not limited to, RF switches and RF attenuators.
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