Compact ultra-wideband, bandpass filter with improved upper stopband

被引：18
|
作者：
Mondal, Priyanka [1 ]
Mandat, Mrinal Kanti [1 ]
Chakrabarty, Ajay [1 ]
机构：
[1] Indian Inst Technol, Dept Elect & Elect Commun Engn, Kharagpur 721302, W Bengal, India
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2007年 / 17卷 / 09期
关键词：
bandpass filter (BPF); microstrip line; slot-line resonator (SLR); stopband ultra wide-band (UWB);
D O I：
10.1109/LMWC.2007.903437
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 letter, A design of a compact bandpass filter with wide upper stopband is presented for the ultra-wideband communication systems. The filter structure is composed of a modified square slot-line resonator with parallel microstrip feed lines. Improved upper stopband is obtained by exploiting the frequency dispersive coupling behavior between the feed lines and the resonator. Measurements show that the 20.9 dB upper stopband extends at least up to 20 GHz. Filter occupying area is 0.26 lambda(g) x 0.28(g), lambda(g) being the microstrip line guided wavelength at 6.85 GHz.
引用
收藏
页码：643 / 645
页数：3
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