紧型微型带固定频双合双调波器,带有选择带抑制.
Dariusz Wójcik1, Maciej Surma1, Mirosław Magnuski1
1Department of Electronics, Electrical Engineering and Microelectronics, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland.
Sensors (Basel, Switzerland)
|November 13, 2025
概括
这项研究介绍了用于无线物联网传感器的紧型微条式过器,采用辐射条进行增强衰减. 该设计实现了显著的超频段信号抑制,这对于可靠的传感器操作至关重要.
科学领域:
- 电气工程 电气工程
- 电磁学和微波工程 电磁学和微波工程
背景情况:
- 微条纹过器是现代无线通信系统中必不可少的组件,特别是物联网 (IoT) 传感器.
- 现有的过器设计经常面临小型化和实现足够的带外衰减的挑战,这会影响传感器性能.
研究的目的:
- 设计和分析一个紧的,固定频率的,双感应合的微带过器,具有选择性带抑制.
- 为了改善带外衰减,并减少应用在无线物联网传感器中的尺寸.
主要方法:
- 采用辐射线作为共振元件,在特定子频段的传输带和串联共振电路中作为电容器起作用.
- 结合两个传输零来塑造频率响应,增强过渡频段的度,并增加在选择的子频段的止带衰减.
- 导出关键方程来分析过器属性,并通过模拟和实验检查验证设计.
主要成果:
- 与传统设计相比,拟议的过器具有较小的尺寸.
- 实现的插入损失低于1.6dB.
- 在整个停止频段中,证明的带外衰减超过30dB,在4.7-5.9GHz频段中超过40dB的抑制.
- 成功抑制了在2.391-2.525 GHz工作的过器的U-NII 5 GHz频段.
结论:
- 新型微条纹过器设计有效地将小型化与选择性带抑制功能相结合.
- 辐射线和传输零是提高波器性能,特别是带外衰减的关键要素.
- 开发的过器是无线物联网传感器输入过的可行解决方案,提供更好的性能和更小的尺寸.
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