超宽带四平行关键二极管调整器用于6 GHz以下的无线电力传输
1Department of Electricity and Energy, Igdir University, Igdir 76000, Türkiye.
Micromachines
|December 31, 2025
概括
一个新的四平行冲动二极管整流器使得5G频段的高效无线电力传输成为可能. 这种超宽带设计在广泛的频率和输入功率范围内实现了超过50%的功率转换效率,即使在低成本基板上也是如此.
科学领域:
- 电气工程 电气工程
- 电磁学和光学 电磁学和光学
背景情况:
- 无线电力传输 (WPT) 对低功耗设备至关重要.
- 无线电频率 (RF) 和微波整流器是WPT系统的关键组件.
研究的目的:
- 建议在6GHz以下的5G频段中为WPT提供一种新的超宽带 (UWB) 整流器.
- 为了提高阻抗匹配和稳定性在广泛的频率和功率范围.
主要方法:
- 在FR4基板上设计和制造一个四平行冲动二极管整流器.
- 宽带阻抗分析考虑二极管包装寄生虫.
- 对各种频率和输入功率的功率转换效率 (PCE) 的性能评估.
主要成果:
- 在10 dBm输入功率下,从1.6-5.1 GHz实现PCE>50%.
- 在3GHz的输入功率中保持PCE>50%,输入功率从1dBm到16dBm.
- 在2.9GHz的最大PCE为76%,输入功率为10 dBm.
- 与FR4上的单二极管和双二极管结构相比,证明了更好的阻抗稳定性和匹配性.
结论:
- 拟议的四平行顺位二极管拓为5G应用中UWB WPT提供了强大的解决方案.
- 该设计实现了高效率和宽带阻抗匹配,尽管使用有损耗的FR4基板.
- 这种整流器适用于收集能量和供电低功耗电子设备.
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