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Systems and methods of RF power transmission, modulation, and amplification, including embodiments for extending RF transmission bandwidth
Systems and methods of RF power transmission, modulation, and amplification, including embodiments for extending RF transmission bandwidth
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机译:RF功率传输,调制和放大的系统和方法,包括用于扩展RF传输带宽的实施例
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摘要
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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