Varactor-Loaded Continuously Tunable SIW Resonator for Reconfigurable Filter Design

被引:0
|
作者
Sirci, S. [1 ]
Martinez, J. D. [2 ]
Taroncher, M. [1 ]
Boria, V. E. [1 ]
机构
[1] Univ Politecn Valencia, iTEAM, Camino Vera S-N, E-46022 Valencia, Spain
[2] Univ Politecn Valencia, I3M, Valencia, Spain
关键词
Tunable filters; substrate integrated waveguide; varactor tuning diodes;
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
This paper presents a novel concept of low-loss tunable resonator based on a combline SIW cavity loaded with GaAs varactor tuning diodes. The center frequency of the resonator can be continuously tuned between 2.6 -3.1 GHz. The device has been fabricated on a conventional two-layer PCB process using a low-cost standard high-frequency laminate (i.e. epsilon(r) = 3.55, tan delta = 0.003). The measured tunable Q ranges from 40 to 160 over the whole tuning range. The proposed tunability concept could be of great interest for the design of high-Q planar reconfigurable filters.
引用
收藏
页码:436 / 439
页数:4
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