Compact microstrip bandpass filters with quarter-wavelength stepped-impedance resonators

被引：0
|
作者：
Lin, Shih-Cheng [1 ]
Lin, Yo-Shen [1 ]
Chen, Chun Hsiung [1 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan
来源：
35th European Microwave Conference, Vols 1-3, Conference Proceedings | 2005年
关键词：
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：
Compact microstrip bandpass filters utilizing quarter-wavelength (lambda/4) stepped-impedance resonators (SIRs) are proposed. The lambda/4 SIR has the abilities to reduce the filter size and to push up the filter spurious frequency. By arranging lambda/4 SIRs properly in the filter layout, two compact 4th-order microstrip bandpass filters with extended rejection band and good selectivity are designed and implemented. Specifically, a miniature lambda/4-SIR 6th-order cross-coupled microstrip bandpass filter with a size of only 0.3 lambda x 0.17 lambda is realized to possess a better rejection up to 3.6f(0), where f(0) denotes the passband center frequency.
引用
收藏
页码：931 / 934
页数：4
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