A New Topology of Active Bandstop Filters in MMIC Technology for Wideband Applications

被引：0
|
作者：
Kamoun, Leila [1 ,2 ,3 ]
Kerherve, Eric [1 ]
Dueme, Philippe [2 ]
Plaze, Jean-Philippe [2 ]
Godara, Balwant [3 ]
机构：
[1] Univ Bordeaux, IMS Lab, Talence, France
[2] THALES SYST AEROPORTES SAS, Elancourt, France
[3] ISEP, Paris, France
来源：
2013 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST (IMS) | 2013年
关键词：
D O I：
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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 topology of active bandstop filters is proposed in this paper. Two prototypes based on this topology have been implemented: the first one in GaN technology and the second one in GaAs technology. This topology allows reducing the 3 dB bandwidth in comparison with the only passive cell. The structure of both filters is a distributed structure. The first one allows a rejection of 65 dB at 2.9 GHz and the second one allows three states with a rejection around 45 dB at 2.3 GHz (state 1), at 2.47 GHz (state 2) and at 2.87 GHz (state 3). Both have associated passband from 1 GHz to 18 GHz.
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页数：4
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