A Compact Ultra-Wideband BPF Using Weakly-Coupled SIRs and Parallel-Coupled Lines

被引:0
|
作者
Kamada, Masayoshi [1 ]
Yasuzumi, Takenori [1 ]
Hashimoto, Osamu [1 ]
Uwano, Tomoki [1 ]
机构
[1] Aoyama Gakuin Univ, Dept Elect Engn & Elect, Chuo Ku, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 2525258, Japan
关键词
Bandpass filter (BPF); stepped impedance resonators (SIRs); parallel-coupled lines; attenuation pole; ultra-wideband (UWB); STUB-LOADED RESONATOR; FILTER; DESIGN;
D O I
暂无
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 compact ultra-wideband (UWB) bandpass filter (BPF) with well matched characteristics is proposed in this paper. The BPF consists of weakly-coupled stepped impedance resonators (SIRs) and parallel-coupled lines. Firstly, the performances of the coupled SIRs were examined, and their results show the broad bandpass characteristics with sharp attenuation slope. Next the bandpass performances of the parallel-coupled lines were studied. Then the UWB BPF in the combination of the SIRs and the coupled-lines were designed from the performance simulation. As the results, the filter has the four-ripple peak frequencies in the passband and the attenuation poles at both passband edges.
引用
收藏
页码:1925 / 1928
页数:4
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