US Patent 7184723 Systems and methods for vector power amplification
Patent 7184723 was granted and assigned to ParkerVision (company) on February, 2007 by the United States Patent and Trademark Office.
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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.
US Patent 07184723 Systems and methods for vector power amplification US Patent 7184723 Systems and methods for vector power amplification
US Patent 07184723 Systems and methods for vector power amplification
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