Compact Broadband Waveguide Filter with Wide Spurious-Free Range Based on Mixed TM and Combline Resonators

被引：0
|
作者：
Tomassoni, C. [1 ]
Pelliccia, L. [2 ]
Cacciamani, F. [2 ]
Vallerotonda, P. [2 ]
Sorrentino, R. [1 ,2 ]
Galdeano, J. [3 ]
Ernst, C. [3 ]
机构：
[1] Univ Perugia, Via G Duranti 93, Perugia, Italy
[2] RF Microtech Srl, Via L Maccheroni, Perugia, Italy
[3] ESA ESTEC, Noordwijk, Netherlands
来源：
2017 47TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2017年
关键词：
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：
The design of a C-band filter centered at 6.175 GHz with 500 MHz bandwidth (FBW=8.3%) is presented. The proposed filter shows good performance in terms of loss and stop-band spurious-free range. The filter consists of a total of 9 resonators: 5 TM resonators and 4 comb-line resonators yielding a very compact structure. The TM resonators allow for good performance in terms of in-band loss and filter length, while the 4 comb-line resonators allow removing the spurious frequencies generated by the TM resonators avoiding the need of bulky low-pass filter. With respect to the conventional solution a length reduction of about 60% is obtained. The feasibility of the proposed approach is demonstrated through the measurements of the manufactured prototype.
引用
收藏
页码：985 / 988
页数：4
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