Very compact broad band-stop filter using periodic L-shaped stubs based on self-complementary structure for X-band application

被引：14
|
作者：
Habibi, R. [1 ]
Ghobadi, Ch. [1 ]
Nourinia, J. [1 ]
Ojaroudi, M. [2 ]
Ojaroudi, N. [3 ]
机构：
[1] Urmia Univ, Dept Elect Engn, Orumiyeh, Iran
[2] Islamic Azad Univ, Ardabil Branch, Ardebil, Iran
[3] Shahid Rajaee Teacher Training Univ, Fac Elect & Comp Engn, Tehran, Iran
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 23期
关键词：
Notch filters;
D O I：
10.1049/el.2012.2718
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：
Self-complementary structures are used to design a novel compact band-stop filter for X-band applications. By cutting a rectangular slot with five pairs of L-shaped protruded strips inside the slot on the ground plane and by inserting five pairs of L-shaped stubs in the microstrip transmission line, the self- complementary structure is created, hence a constant and flat impedance bandwidth at the X-band can be produced. The operating frequencies of the filter can be easily controlled by changing the dimensions of the protruded L-shaped strips and stubs, without changing the area taken up by the structure. Experimental results show good agreement with simulation results and demonstrate that excellent stop-band performance could be obtained through the proposed band-stop filter.
引用
收藏
页码：1481 / 1482
页数：2
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