整流非线性元件的自适应功率分配策略
An Adaptive Power Division Strategy for Nonlinear Components in Rectification
AI总结：
本文提出了一种基于电导的自适应功率分配策略，通过调整二极管电导实现高效整流，实验显示在24.5 dB动态范围内效率超过60%。
摘要：
本文提出了一种新颖的自适应功率分配策略，利用两个具有非线性阻抗特性的整流二极管并联配置，以在各自功率水平上实现最佳性能。通过战略性地调整输入电导，低功率二极管的电导随着功率的增加而逐步减小，而高功率二极管的电导相应增加。这种基于电导的功率分配方法确保了无论功率水平如何，功率都始终由最合适的二极管整流，从而在扩展范围内实现了高效的整流。本文还提出了一种整流器类型以证明所提策略。实验结果证实了自适应功率分配策略的有效性，整流器在5至29.5 dBm范围内效率超过60%，功率动态范围为24.5 dB。
英文摘要：
This letter presents a novel adaptive power division strategy, which uses two rectifying diodes with nonlinear impedance characteristics that are configured in parallel to function optimally at their individual power levels. Through the strategic adjustment of the input admittance, the conductance of the low-power diode decreases progressively with increasing power, while the conductance of the high-power diode increases correspondingly. This conductance-based power allocation method ensures that the power is rectified consistently by the most appropriate diode, regardless of the power level, and, thus, enables efficient rectification across an extended range. This letter presents a rectifier typology to substantiate the proposed strategy. Experimental results confirm the efficiency of the adaptive power division strategy, with the rectifier showing efficiency in excess of 60% from 5 to 29.5 dBm, giving a power dynamic range of 24.5 dB.
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