相关实验视频
Updated: Jun 29, 2025

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Fabrication and Characterization of Superconducting Resonators
Published on: May 21, 2016
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微型的平等/不平等的威尔金森功率分隔器能够使用微条 π 形共振器抑制波,这些共振器由块状元件修改
Ashkan Abdipour1, Seyed Vahab Al-Din Makki2
1Electrical Engineering Department, Faculty of Engineering, Razi University, Kermanshah, Iran.
Scientific reports
|March 28, 2024
概括
这项研究引入了一个紧的威尔金森功率分隔器,使用修改后的 π 形共振器. 该设计允许可选择的操作频率和功率分配比率,具有显著的声抑制和尺寸缩小.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 微波工程 微波工程
背景情况:
- 传统的威尔金森功率分隔器往往缺乏在工作频率和功率划分方面的紧性和灵活性.
- 功率分隔器中的波抑制对于信号完整性和系统性能至关重要.
研究的目的:
- 设计一个紧的威尔金森功率分割器,可选择工作频率和功率分割比.
- 使用修改后的 π 形共振器来实现广泛的波抑制.
- 为了证明与传统设计相比,显著的尺寸缩小.
主要方法:
- 采用改造的 π 形共振器,集成微条带传输线和断片元件.
- 通过调整一次性元素值而不是微条形尺寸来改变运行频率和功率分配比.
- 设计和模拟用于多个频率 (0.5,1.0,1.5,2.0 GHz) 的小型分隔器,并实施双频 (700 MHz/1.2 GHz) 分隔器.
主要成果:
- 从第2到第25个波器实现了虚假波抑制,用于700 MHz分区,以及从第2到第15个波器用于1.2 GHz分区.
- 显示显著的尺寸缩小:大约96%在700 MHz和93%在1.2 GHz.
- 在1.2 GHz时实现了3.2:1的不平等功率分配 (S21 = -8.8 dB,S31 = -3.73 dB).
结论:
- 修改后的 π 形共振器方法使威尔金森功率分隔器能够设计出非常紧和灵活的 Wilkinson功率分隔器.
- 拟议的设计提供了出色的和声抑制和大幅缩小尺寸,使其适合各种应用.
- 通过调整一次性元件来调整频率和功率划分的能力简化了设计和实施.
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