| Pi型电感耦合LTCC滤波器的寄生感性耦合研究 |
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| 引用本文： | 莫远楠,雷振亚,任沛阁,李平,王菲.Pi型电感耦合LTCC滤波器的寄生感性耦合研究[J].电子元件与材料,2011,30(1):50-55. |
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| 作者姓名： | 莫远楠 雷振亚 任沛阁 李平 王菲 |
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| 作者单位： | 莫远楠,雷振亚,李平,王菲,MO Yuannan,LEI Zhenya,LI Ping,WANG Fei(西安电子科技大学,天线与微波技术国家重点实验室,陕西,西安,710071);任沛阁,REN Peige(空军工程大学,陕西,西安,710038) |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 对二阶Pi型电感耦合LTCC滤波器中各个元件的电容及电感寄生效应进行了分析,提出了一种新的寄生电感耦合分析方法,并根据分析结果设计了一个二阶Pi型电感耦合和一个二阶Pi型电容耦合LTCC带通滤波器,其中,电感耦合滤波器的设计指标为:中心频率2.45GHz,相对带宽32.65%,带内插入损耗2dB,回波损耗18 dB;电...
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| 关 键 词： | LTCC滤波器 Pi型带通滤波器 寄生效应 感性耦合 |
Study on the parasitic inductive coupling in Pi-shaped inductively coupled LTCC filter |
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| MO Yuannan,LEI Zhenya,REN Peige,LI Ping,WANG Fei.Study on the parasitic inductive coupling in Pi-shaped inductively coupled LTCC filter[J].Electronic Components & Materials,2011,30(1):50-55. |
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| Authors: | MO Yuannan LEI Zhenya REN Peige LI Ping WANG Fei |
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| Affiliation: | 1(1.National Key Laboratory of Antennas and Microwave Technology,Xidian University,Xi’an 710071,China;2.Air Force Engineering University,Xi’an 710038,china) |
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| Abstract: | The parasitic effects of inductance and capacitance in each component of a 2nd-order Pi-shaped inductively coupled LTCC filter were analyzed,and a new method to analyze the parasitic inductive coupling was proposed.Based on the analysis results,one 2nd-order Pi-shaped inductively coupled and one 2nd-order Pi-shaped capacitively coupled LTCC bandpass filters were designed.The center frequency,bandwidth,insertion loss and return loss were designed to be 2.45 GHz,32.65%(fractional bandwidth),2 dB and 18 dB respectively for the inductively coupled filter,while to be 2.45 GHz,100 MHz,2 dB and 15 dB respectively for the capacitively coupled filter.The dimensions of two filters were simulated using the HFSS software.The simulation results show that the dimensions of the inductively coupled and capacitively coupled filter are 3.440 mm×2.310 mm×0.625 mm and 4.200 mm×2.400 mm×0.540 mm,respectively.This indicates that it is feasible to take advantage of the inductive coupling in filter design. |
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| Keywords: | LTCC filter Pi-shaped bandpass filter parasitic effect inductive coupling |
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