现代电子技术2012，Vol.35Issue(21)：65-67,70,4.
一种基于介质集成波导腔的小型化滤波器
Compact filter based on substrate integrated waveguide cavities
摘要
Abstract
To achieve the further miniaturization of substrate integrated waveguide filter, some improvements usually are made to the resonator of the substrate integrated waveguide. By inserting a shorting pin to the centre of the conventional substrate integrated waveguide cavity and insulating the top metal plane of the substrate integrated waveguide cavity from the metal side-wall around the cavity, a compact substrate integrated waveguide cavity is achieved. Then a four-cavity bandpass filter which adopts the compact substrate integrated waveguide cavity operating well in 2. 8 GHz with 14. 3% fractional bandwidth is designed. Finally, a prototype filter is fabricated and tested. The simulation result is consistent with the measured one. The size of the proposed filter is reduced down to a quarter of the filter with the adoption of traditional substrate integrated waveguide cavity.关键词
介质集成波导腔/带通滤波器/小型化滤波器/介质集成波导腔滤波器Key words
substrate integrated waveguide cavity/ bandpass filter/ compact filter/ substrate integrated waveguide cavity filter分类
信息技术与安全科学引用本文复制引用
方志华,张忠海..一种基于介质集成波导腔的小型化滤波器[J].现代电子技术,2012,35(21):65-67,70,4.基金项目
国家自然科学基金(60673143) （60673143）
