High-Q Substrate Integrated Waveguide Resonator Filter With Dielectric Loading

被引：19

作者：

Grine, Farouk ^{[1
]}

Djerafi, Tarek ^{[2
]}

Benhabiles, Mohamed Taoufik ^{[1
]}

Wu, Ke ^{[3
]}

Riabi, Mohamed Lahdi ^{[1
]}

机构：

[1] Univ Freres Mentouri Constantine, Constantine 25005, Algeria

[2] Inst Natl Rech Sci Energie Mat & Telecommun, Montreal, PQ H5A 1K6, Canada

[3] Ecole Polytech Montreal, Polygrames Res Ctr, Montreal, PQ H3V 1A2, Canada

来源：

IEEE ACCESS | 2017年 / 5卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Air holes; cavity; filter; periodically drilled SIW; periodically loaded SIW; quality factor; substrate integrated waveguide (SIW);

D O I：

10.1109/ACCESS.2017.2711958

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A planar cavity is proposed, designed, and implemented with a hybrid substrate integrated waveguide (SIW) and periodically drilled SIW (PDSIW) structure. Air holes are added to synthesize a lower effective permittivity. The periodicity can increase the stored energy and improve the quality factor. The optimal ratio between the two permittivities is investigated. The measured results show that the proposed resonator has an unloaded quality factor (Q(u)) of 815, which is 53% higher than its standard SIW counterpart. To demonstrate the potential of the proposed PDSIW cavity, a third-order filter is designed and implemented through the proposed cavity, and it is then compared with filters of different orders. The new filter with a cavity shows performance enhancements in terms of both loss and bandwidth. The SIW resonator can be a promising element for use in the design of high-performance microwave filters and oscillators.

引用

页码：12526 / 12532

页数：7

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