Amplifiers – With amplifier condition indicating or testing means
Reexamination Certificate
2008-05-27
2008-05-27
Nguyen, Khanh Van (Department: 2817)
Amplifiers
With amplifier condition indicating or testing means
C330S12400D
Reexamination Certificate
active
11699045
ABSTRACT:
Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency, and/or amplitude characteristics of the desired time-varying complex envelope signal. In another embodiment, a time-varying complex envelope signal is decomposed into a plurality of constant envelope constituent signals. The constituent signals are amplified equally or substantially equally, and then summed to construct an amplified version of the original time-varying envelope signal. Embodiments also perform frequency up-conversion.
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Rawlins Gregory S.
Rawlins Michael W.
Sorrells David F
Nguyen Khanh Van
ParkerVision, Inc
Sterne Kessler Goldstein & Fox P.L.L.C.
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