[1]戴永胜,徐 利,王立杰,等.微型半集总LTCC蓝牙带通滤波器研究[J].南京理工大学学报(自然科学版),2013,37(02):299.
 Dai Yongsheng,Xu Li,Wang Lijie,et al.Research on miniaturized LTCC bandpass filter with semi-lumped components for bluetooth application[J].Journal of Nanjing University of Science and Technology,2013,37(02):299.
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微型半集总LTCC蓝牙带通滤波器研究
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
37卷
期数:
2013年02期
页码:
299
栏目:
出版日期:
2013-04-30

文章信息/Info

Title:
Research on miniaturized LTCC bandpass filter with semi-lumped components for bluetooth application
作者:
戴永胜徐 利王立杰陈少波
南京理工大学 电子工程与光电技术学院,江苏 南京 210094
Author(s):
Dai YongshengXu LiWang LijieChen Shaobo
School of Electronic Engineering and Optoelectric Technology,NUST,Nanjing 210094,China
关键词:
低温共烧陶瓷 蓝牙滤波器 半集总结构 高次谐波抑制
Keywords:
low temperature cofired ceramic filters for bluetooth application semi-lumped components suppression of high harmonics
分类号:
TN713
摘要:
该文研究了一种基于低温共烧陶瓷(LTCC)技术的微型半集总蓝牙带通滤波器。通过改进了二阶耦合谐振滤波器电路,在通带频率高、低端分别引入零点电路,改善了阻带衰减。滤波器采用半集总结构三维模型、集总电容和分布带状线电感。测试结果表明,该滤波器中心频率为2.45 GHz,在2.4~2.5 GHz内插入损耗小于1.2 dB,通带内驻波比均小于1.5。低阻带从0.1 GHz到2 GHz的衰减大于25 dB,在高阻带引入了传输零点,有效抑制了二次和三次谐波,从7.2 GHz到7.5 GHz的衰减大于25 dB。优化设计和测试结果吻合,尺寸仅为1.6 mm×0.8 mm×0.6 mm。
Abstract:
A miniaturized low temperature co-fired ceramic(LTCC)bandpass filter with semi-lumped components for bluetooth application is researched here.The circuit topology of the bandpass filter is based on the second-ordered coupled resonance filter prototype.The prototype is modified to produce a pair of transmission zeros on both sides of the passband to improve stopband attenuation.The 3-D physical layout of the filter is realized by the semi-lumped structure.The capacitors are achieved by the lumped metal-insulator-metal capacitor and the inductors are achieved by distributional stripline.Test results show that,when the central frequency of the filter is 2.45 GHz,the insertion loss in the passband is less than 1.2 dB,the input/output of voltage standing wave ratios(VSWRs)are less than 1.5,and the low stopband attenuation is more than 25 dB from 0.1 to 2 GHz.The transmission zero generated at the high stopband makes the second and third harmonic suppressed well,and the stopband attenuation is more than 25 dB from 7.2 to 7.5 GHz.The test results are in good agreement with the simulation.The filter size is 1.6 mm×0.8 mm×0.6 mm only.

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相似文献/References:

[1]戴永胜,张红,徐利,等.高次谐波抑制微型滤波器研究[J].南京理工大学学报(自然科学版),2012,36(05):869.
 DAI Yong-sheng,ZHANG Hong,XU Li,et al.Miniaturization Filter with High-order Harmonic Suppression[J].Journal of Nanjing University of Science and Technology,2012,36(02):869.

备注/Memo

备注/Memo:
收稿日期:2011-08-25 修回日期:2012-04-28
基金项目:国家重点基础研究发展计划“973”计划(2009CB320201); 国防重点实验室基金(9140C1402021102)
作者简介:戴永胜(1956-),男,副教授,主要研究方向:MMIC、微型LTCC微波器件设计、SIP、MMCM、天线及阵列等,E-mail:daiys@njust.edu.cn。
更新日期/Last Update: 2013-04-30