DUAL-BAND DIFFERENTIAL FILTER USING BROAD-BAND COMMON-MODE REJECTION ARTIFICIAL TRANSMISSION LINE

被引：31
|
作者：
Fernandez-Prieto, Armando [1 ,2 ]
Martel, Jesus [1 ,2 ]
Medina, Francisco [1 ,2 ]
Mesa, Francisco [1 ,2 ]
Qian, Shilong [3 ]
Hong, Jia-Sheng [3 ]
Naqui, Jordi [4 ]
Martin, Ferran [4 ]
机构：
[1] Univ Seville, Dept Elect & Electromagnetism, Microwaves Grp, E-41012 Seville, Spain
[2] Univ Seville, Dept Appl Phys 1&2, E-41012 Seville, Spain
[3] Heriot Watt Univ, Dept Elect Elect & Comp Engn, Edinburgh, Midlothian, Scotland
[4] Univ Autonoma Barcelona, Dept Elect Engn, GEMMA CIMITEC, Barcelona, Spain
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2013年 / 139卷
关键词：
COUPLED-LINE; SUPPRESSION; DESIGN; RESONATORS;
D O I：
10.2528/PIER13041405
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：
A new balanced dual-band bandpass filter with strong common-mode rejection is presented in this paper. Common-mode rejection is provided by a section of a periodic microstrip differential line that behaves as a low-pass filter under common-mode operation. In contrast, the differential line exhibits very good all-pass behavior under differential mode operation. This structure is combined with a differential dual-band bandpass filter based on embedded resonators. Simulations and experiments confirm that the combined structure has good common-mode rejection within the passbands of the dual-band differential filter.
引用
收藏
页码：779 / 797
页数：19
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