一个紧的宽带电源组合器,用于高功率,连续波应用
Zihan Yang1, Qiang Zhang1, Kelin Zhou1
1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China.
Micromachines
|February 24, 2024
概括
一种新的16路辐射线波导组合器有效地为固态电源合成微波信号. 这种紧的设备提供了高功率容量和低插入损失,对于先进的射频应用至关重要.
科学领域:
- 微波工程 微波工程
- 电磁学 电磁学 电磁学 电磁学
- 射频功率放大功率放大功率放大功率
背景情况:
- 固态电源需要高效的多通道电力合成.
- 现有的组合器经常面临功率处理,带宽和插入损失的限制.
研究的目的:
- 设计和实验研究一个紧的,高功率的宽带组合器.
- 为了实现16个微波终端的高效功率合成.
主要方法:
- 基于辐射线波导的设计,用于圆周对称.
- 对性能指标进行模拟和实验验证.
- 高功率连续波 (CW) 测试.
主要成果:
- 实现了 ~ 34.6% (2.06-2.93 GHz) 的相对带宽,反射系数 S1.1 < -20 dB.
- 证明的相位失衡为±4.5°,16路传输系数在2.45 GHz时约为-12.0~-12.3dB.
- 在没有主动冷却的情况下,经过验证处理至少3.9千瓦的CW功率.
结论:
- 设计的辐射线波导组合器适用于高功率微波应用.
- 它的紧尺寸,宽带操作和高功率容量是固态射频源的优势.
- 进一步的冷却措施可以显著提高其功率处理能力.
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