Amplifiers – With semiconductor amplifying device – Including particular power supply circuitry
Reexamination Certificate
2010-05-11
2011-12-27
Choe, Henry (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including particular power supply circuitry
C330S296000
Reexamination Certificate
active
08085095
ABSTRACT:
A voltage converter includes a plurality of capacitors and corresponding first switch elements, the capacitors coupled in series and arranged to each charge to a voltage level during a first clock period, the voltage level determined by a supply voltage level, the number of capacitors and a value of each capacitor; and a plurality of second switch elements configured to cause the plurality of capacitors to be connected in parallel and to discharge into an output capacitor during a second clock period, the output capacitor charged to a discrete voltage output level so that the output capacitor provides the discrete voltage output level, wherein the discrete voltage output level is less than the supply voltage level and wherein the discrete voltage output level is used to develop a bias signal that is supplied to a power amplifier element.
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Shi Ying
Young James P.
Choe Henry
Knobbe Martens Olson & Bear LLP
Skyworks Solutions Inc.
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