RECONFIGURABLE DUAL-BAND BANDPASS FILTER USING STUBLOADED STEPPED-IMPEDANCE RESONATORS

被引：0
|
作者：
Aidoo, Michael Wilson [1 ]
Song, Kaijun [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Peoples R China
来源：
2019 16TH INTERNATIONAL COMPUTER CONFERENCE ON WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING (ICWAMTIP) | 2019年
关键词：
Dual-mode; Dual-band; Stub-loaded resonators; Reconfigurable bandpass filter (BPF); Multi-band filter; Transmission zeroes (TZ);
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes a reconfigurable dual-band microstrip bandpass filter based on dual-mode stub-loaded stepped-impedance resonators. The proposed structure has a high selectivity with the four transmission zeroes and two control voltages. A source-load coupling technique was employed to enhance the effective control of the passbands. Two identical varactors are loaded at the open ends of each resonator for the purpose of tuning. To verify, the proposed dual-band bandpass filter was designed and simulated. The results show two passbands, with center frequencies of 1.02 GHz and 2.3 GHz, a less than 0.5-dB insertion loss and a rejection of more than 35-dB between the two passbands. The first passband has a tuning range of 1.02 to 1.4Ghz, while the second passband's frequency can be tuned from 2.0 GHz to 2.6 GHz.
引用
收藏
页码：434 / 437
页数：4
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