A Compact Band-stop Filter with Wide Bandwidth and Far Spurious Stop Bands

被引：0

作者：

Wang, Yu-zhu ^{[1
]}

Tian, Xi ^{[1
]}

Gong, Jian-ping ^{[1
]}

Jing, Xue-ling ^{[1
]}

He, Tian-yiyi ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu, Peoples R China

来源：

2015 16TH INTERNATIONAL CONFERENCE ON ELECTRONIC PACKAGING TECHNOLOGY | 2015年

关键词：

band-stop filter; far spurious stop band; wide bandwidth; loading capacitor;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a compact band-stop filter with wide bandwidth and far spurious stop band is presented. The traditional band-stop filter usually be designed with 114 wavelength admittance/impedance inverter, its volume is bulky and spurious stop band is near the working stop-band. In this paper, for realizing miniaturization, wide bandwidth and far spurious stop band, a capacitor is loaded in the band-stop filter's resonators and a trench is dredged on the surface of the capacitors. At first, a rectangle cavity with a capacitor is proposed, its spurious stop band is 4.5 times far than the center frequency. Then several such cavities are connected in series to form a band-stop filter, its stop-band centered at 5GHz, relative bandwidth is 8%, and its spurious stop-band is higher than 23GHz. The filter has a transition of 100 MHz and the attenuation up to 40dB.

引用

页数：4

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