A Study on Compact Wide Bandpass Filter Using Inter-Digital Resonator

被引：1

作者：

Yamamoto, Jumpei ^{[1
]}

Yasuzumi, Takenori ^{[1
]}

Uwano, Tomoki ^{[1
]}

Hashimoto, Osamu ^{[1
]}

机构：

[1] Aoyama Gakuin Univ, Dept Elect & Elect Engn, Sagamihara, Kanagawa 2298558, Japan

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2010年 / E93C卷 / 07期

关键词：

wideband bandpass filter; interdigital resonator; microstrip line; parallel coupled line;

D O I：

10.1587/transele.E93.C.1132

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 new type of the wide-band BPF made up of an interdigital resonator and parallel-coupled lines was proposed. The bandwidth of the inter-digital resonator becomes wider by increasing the number of fingers. The design of the parallel-coupled line was performed by optimazing the structural parameters so that the bandwidth is the same as that of the inter-digital resonator. The measured results of the combination of above elements for the BPF agreed well with the simulated ones such that the insertion loss is less than 0.67 dB and that the sharp skirt characteristics are realized by attenuation poles near the edges of the passband.

引用

页码：1132 / 1134

页数：3

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