Dual-bandpass filters with serial configuration using LTCC technology

被引：24

作者：

Lin, Ke-Chiang ^{[1
]}

Chang, Chun-Fu ^{[1
]}

Wu, Min-Chung ^{[1
]}

Chung, Shyh-Jong ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Commun Engn, Hsinchu 30050, Taiwan

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2006年 / 54卷 / 06期

关键词：

bandpass filter; dual-band; low-temperature co-fired ceramic (LTCC); wireless local area network (WLAN);

D O I：

10.1109/TMTT.2006.875267

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 dual-bandpass filter that utilizes a serial configuration of the inductive coupled-line (ICL) filter and the capacitive coupled-line (CCL) filter is investigated in this study. Numerical analysis is presented for the difference between the ICL and CCL filters. The dual-bandpass filter has a similar behavior to the individual single-band filter around the corresponding passband. An extra transmission zero can be generated between the two pass-bands of the dual-bandpass filter in that the ICL and CCL filters exhibit an out-of-phase response. Four architectures of dual-bandpass filters are proposed for the 2.4/5-GHz systems. Two of them are demonstrated by the low-temperature co-fired ceramic multilayer technology. Measurements results agree quite well with the simulation ones.

引用

页码：2321 / 2328

页数：8

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