Compact UWB bandpass filter using ring open stub loaded multiple-mode resonator

被引：22
|
作者：
Zhou, Y. [1 ]
Yao, B. [1 ]
Cao, Q. [1 ]
Deng, H. [1 ]
He, X. [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Informat Sci & Technol, Nanjing 210016, Peoples R China
来源：
ELECTRONICS LETTERS | 2009年 / 45卷 / 11期
关键词：
D O I：
10.1049/el.2009.3724
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel ultra-wideband (UWB) bandpass filter with a compact size, improved upper-stopband performance and reduced radiation loss has been studied and designed using a multiple-mode resonator (MMR). The MMR is formed by attaching three pairs of ring open stubs in shunt to a high impedance microstrip line. By simply adjusting the radius of the circles of the ring stubs, the resonant modes of the MMR can be roughly allocated within the 3.1-10.6 GHz UWB band while suppressing the spurious harmonics in the upper-stopband. Meanwhile, the insertion loss is higher than 20.0 dB in the upper-stopband from 11.7 to 33.5 GHz in simulation. Finally, the filter is fabricated and measured. The EM-simulated and measured results are presented and excellent agreement between them is obtained.
引用
收藏
页码：554 / 555
页数：2
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