Amplifiers – With semiconductor amplifying device – Including particular power supply circuitry
Reexamination Certificate
2011-03-29
2011-03-29
Nguyen, Khanh V (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including particular power supply circuitry
Reexamination Certificate
active
07915961
ABSTRACT:
A power amplifier is provided that includes a plurality of stages. Each of the stages is capable of being controlled by a first supply voltage or a second supply voltage. The first supply voltage is provided by a linear amplifier, and the second supply voltage is provided by a switching converter. A first stage is capable of being controlled by the first supply voltage, and a second stage is capable of being controlled by the second supply voltage.
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National Semiconductor Corporation
Nguyen Khanh V
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