標題: Dual-bandpass filters with serial configuration using LTCC technology
作者: Lin, KC
Chang, CF
Wu, MC
Chung, SJ
電信工程研究所
Institute of Communications Engineering
關鍵字: bandpass filter;dual-band;low-temperature co-fired ceramic (LTCC);wireless local area network (WLAN)
公開日期: 1-Jun-2006
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.
URI: http://dx.doi.org/10.1109/TMTT.2006.875267
http://hdl.handle.net/11536/12179
ISSN: 0018-9480
DOI: 10.1109/TMTT.2006.875267
期刊: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Volume: 54
Issue: 6
起始頁: 2321
結束頁: 2328
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