| 具有传输零点的片式LTCC滤波器的设计与实现 |
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| 引用本文： | 吴思汉,吴国安,徐勤芬.具有传输零点的片式LTCC滤波器的设计与实现[J].半导体技术,2009,34(1). |
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| 作者姓名： | 吴思汉 吴国安 徐勤芬 |
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| 作者单位： | 国防科技信息中心,北京,100142;华中科技大学,武汉,430074 |
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| 摘 要： | 带通滤波器是无线通信中重要的元器件之一,其小型化具有重要意义.研究设计了一种改进型的梳状线LTCC滤波器.在一般抽头式梳状线滤波器设计的基础上,通过增加输入输出级之间的交叉耦合,引入了传输零点,并结合电路仿真以及三维电磁场仿真,辅之以DOE(design of experiment)的设计方法,设计出了一种高抑制、低插损的滤波器,实际测试结果与仿真结果吻合较好.由于采用了LTCC多层结构,该滤波器体积非常小,是标准的片式元器件封装.具有较强的实用性.
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| 关 键 词： | 低温共烧陶瓷 实验设计 滤波器 传输零点 片式 |
Design and Realization of Chip-Type LTCC Bandpass Filter with Transmission Zero |
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| Wu Sihan,Wu Guoan,Xu Qinfen.Design and Realization of Chip-Type LTCC Bandpass Filter with Transmission Zero[J].Semiconductor Technology,2009,34(1). |
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| Authors: | Wu Sihan Wu Guoan Xu Qinfen |
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| Affiliation: | 1.Defence Science & Technology Information Center;Beijing 100142;China;2.Huazhong University of Science & Technology;Wuhan 430074;China |
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| Abstract: | Bandpass filter is one of the important components in the wireless communication,and its miniaturization is rather useful.A modified combline LTCC filter was designed.The transmission zeros were realized by adding cross-coupling between the input and output.Based on the design of the tapped combline filter,combined with circuit simulation and 3-D EM simulation,the filter which can achieve a high rejection,low insertion loss was designed with the help of DOE.The measured results of the filter agree well with... |
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| Keywords: | LTCC DOE filter transmission zero chip-type |
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