[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(05):869.
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高次谐波抑制微型滤波器研究
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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:
36卷
期数:
2012年05期
页码:
869
栏目:
出版日期:
2012-10-31

文章信息/Info

Title:
Miniaturization Filter with High-order Harmonic Suppression
作者:
戴永胜张红徐利王立杰陈少波
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 Yong-shengZHANG HongXU LiWANG Li-jieCHEN Shao-bo
School of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China
关键词:
低温共烧陶瓷微型滤波器三维梳状线高次谐波抑制
Keywords:
low temperature co-fired ceramicminiaturization filterthree-dimensional comb lineshigh-order harmonicsuppression
分类号:
TN713
摘要:
为了抑制微型滤波器中的高次谐波,该文运用多层耦合带状线谐振器和交叉耦合传输零点原理,在改进的三维梳状带通滤波器结构中引入交叉耦合,增强非相邻谐振级间的交叉耦合;在二、四谐振级间引入Z 字型导体层,通过调节Z 字型导体层来控制传输零点位置;同时适当调节加载电容大小,从而有效减小了滤波器体积,实现了高次谐波抑制。利用低温共烧陶瓷技术设计了中心频率为1.3 GHz、带宽为200 MHz 的微型带通滤波器。实验和仿真结果表明,该滤波器的通带插入损耗小于2.0 dB,三次和四次谐波抑制高于45 dB,尺寸仅为4.8 mm×4.2 mm×1.5 mm。
Abstract:
To suppress the high-order harmonic in miniaturization filters, using the multi-layercoupling strip line resonator and the principle of cross-coupling transmission zeros,the cross-couplingis introduced in an improved passband filter with three-dimensional comb line structure for enhancingthe non-adjacent resonant interstage coupling. The Z font conductor layer is added between thesecond and fourth resonant stages to control transmission zero position. By adjusting the loadcapacitance properly,the filter size is reduced and the high-order harmonic is suppressed. Based onthe low temperature co-fired ceramic technology,a miniaturized band-pass filter with 1. 3 GHz centrefrequency and 200 MHz bandwidth is designed and fabricated. The simulation and test results showthat the inserted loss of the filter is less than 2. 0 dB in the passband,the third-order and fourth-orderharmonics suppression is more than 45 dB,and the filter size is only 4. 8 mm×4. 2 mm×1. 5 mm.

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相似文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011-08-23修回日期:2012-04-13基金项目:国家重点基础研究发展“973”计划(2009CB320201);国防重点实验室基金(9140C1402021102)作者简介:戴永胜(1956-),男,博士生,副研究员,主要研究方向:微波毫米波集成电路、微波子系统等,E-mail:daiys@ mail. njust. edu. cn。
更新日期/Last Update: 2012-11-26