Quasi-Elliptic Lossy Filter With Reconfigurable Bandwidth

被引：3
作者：
Rao, Jiayu [1 ,2 ]
Guo, Hongliang [2 ]
Ni, Jia [2 ]
Hong, Jiasheng [2 ]
机构：
[1] Jiangsu Univ Technol, Sch Elect & Informat Engn, Changzhou, Peoples R China
[2] Heriot Watt Univ, Inst Sensors Signals & Syst, Edinburgh EH14 4AS, Scotland
来源：
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2023年 / 33卷 / 09期
关键词：
Center-loaded resistive-cross-couplings (CLRCCs); lossy tunable filter; tunable transmission zeros; wide tunable ratios; BANDPASS FILTER; DESIGN;
D O I：
10.1109/LMWT.2023.3285791
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 letter proposed a quasi-elliptic lossy filter with a wide tunable bandwidth and enhanced passband flatness. For adapting the limited circuit sizes, a new type of lossy technique named center-loaded resistive-cross-couplings (CLRCCs) is proposed. By loading resistor coupling at the centers of half-wavelength resonators, additional mid-passband losses can be introduced to flatten the passband. A bandwidth reconfigurable five-pole filter with a hybrid structure is developed for the examination. The measured promising results showed the superiority of the proposed novel lossy method for wideband tunable filters.
引用
收藏
页码：1282 / 1285
页数：4
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