Miniature dual-mode microstrip filters

被引：39
|
作者：
Gorur, Adnan [1 ]
Karpuz, Ceyhun
机构：
[1] Nigde Univ, Dept Elect & Elect Engn, TR-51100 Nigde, Turkey
[2] Pamukkale Univ, Dept Elect & Elect Engn, Denizli, Turkey
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2007年 / 17卷 / 01期
关键词：
coupling coefficient; dual-mode filters; feed arrangement; miniaturization;
D O I：
10.1109/LMWC.2006.887249
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：
In order to reduce the size of dual-mode microstrip filters by keeping excellent performance, novel filter geometry is proposed. The novel filter includes a dual-mode resonator based on a meander structure. The effect of input/output feed lines located along a straight line on filter response is investigated for the dual-mode filter. The coupling between degenerate modes of the proposed dual-mode microstrip resonator is discussed depending on the perturbation size. The two dual-mode microstrip bandpass filters with real axis and imaginary axis transmission zeros (TZs) are designed, fabricated, and measured to document the validity of the description of the positive and negative coupling coefficient.
引用
收藏
页码：37 / 39
页数：3
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