使用混合屏蔽EMCSIW和CSRR共振器与混合电磁合方案的紧和宽止带带宽带过器
1State Key Laboratory of Millimeter-Waves, School of Information Science and Engineering, Southeast University, Nanjing 210096, China.
Micromachines
|January 8, 2025
概括
本研究引入了一种紧的带通波器 (BPF),使用混合屏蔽的第八模式圆形基板集成波导 (SD-EMCSIW) 和互补的分裂环共振器 (CSRR) 共振器,以提高性能和减少尺寸.
科学领域:
- 电磁学和微波工程 电磁学和微波工程
- 应用物理 应用物理
- 电气工程 电气工程
背景情况:
- 微波波器是现代无线通信系统中至关重要的组件.
- 现有的过器设计经常面临尺寸缩小和性能优化方面的挑战.
- 基板集成波导 (SIW) 技术为微波电路提供平面解决方案.
研究的目的:
- 设计和验证一种新的,紧的二阶带通波器 (BPF).
- 探索在屏蔽的第八模式圆形基板集成波导 (SD-EMCSIW) 共振器中整合互补的分裂环共振器 (CSRR) 结构.
- 为了实现对传输零点的灵活控制,并提高上限止带的性能.
主要方法:
- 结合SD-EMCSIW和CSRR共振器的混合过器设计被概念化.
- 进行了电磁模拟,以分析波器的特性和操作机制.
- 过器被制造并通过实验测量以验证模拟结果.
- 嵌入了金属通孔,以改善上限止带排斥.
主要成果:
- 实现了以8.3 GHz运行的二级BPF原型,带宽为8.1%的分数带宽.
- 过器显示了两个传输零点,可在传输带附近进行调节.
- 在中心频率的2.85倍时,获得了15dB的高级上限止带排斥.
- 制造过器实现了13.5mm × 13.0mm的紧尺寸.
结论:
- 拟议的混合SD-EMCSIW和CSRRBPF设计为紧和高性能过应用提供了一个有前途的解决方案.
- 集成CSRR结构和金属穿孔有效地提高了过器的特性.
- 该设计在传动零放置方面表现出灵活性,并实现了优异的尺寸缩小.
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