Substrate integrated waveguide dual-band filter with wide-stopband performance

Substrate integrated waveguide dual-band filter with wide-stopband performance
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具有宽阻带性能的基板集成波导双带滤波器

DOI:
10.1049/el.2017.1556
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发表时间:
2017-07
影响因子:
1.1
通讯作者:
Wu Wen
Wu Wen
中科院分区:
工程技术4区
文献类型:
--
作者:
Zhou Kang;Zhou Chunxia;Wu Wen

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提出了第一种具有宽阻带特性的基片集成波导双频带通滤波器。该滤波器的合成和设计与四阶切比雪夫响应和相同的分数带宽为中心的两个通带在12和16 GHz。通过引入谐波交错技术和中心耦合窗口,从本质上抑制了多个寄生谐振。可以观察到良好的协议之间的测量和模拟结果,并优于25 dB的抑制水平高达2.05 f-1已成功实现。
The first substrate integrated waveguide dual-band bandpass filter with wide-stopband performance is presented. This filter is synthesised and designed with fourth-order Chebyshev responses and identical fractional bandwidths for the two passbands centred at 12 and 16 GHz. Multiple spurious resonances have been intrinsically suppressed by introducing the harmonics-staggered technique and the centred coupling windows. Good agreements can be observed between the measured and simulated results, and better than 25-dB rejection level up to 2.05 f 1 has been successfully achieved.
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