A Compact Multi Transmission Zero Dual-Passband Filter Using Dual Stepped Impedance Resonators

被引：1
|
作者：
Tai, Tzu-Chun [1 ]
Lin, Kuan-Jen [2 ]
Chen, Yung-Wei [3 ]
Wu, Hung-Wei [2 ]
Su, Yan-Kuin [3 ,4 ,5 ]
Wang, Yeong-Her [1 ,3 ]
Lai, Hong-Yue [5 ]
机构：
[1] Natl Cheng Kung Univ, Dept Photon, Tainan, Taiwan
[2] Kun Shan Univ, Dept Comp & Commun, Tainan, Taiwan
[3] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Inst Microelect, Dept Elect Engn, Tainan, Taiwan
[4] Kun Shan Univ, Dept Elect Engn, Tainan, Taiwan
[5] Kun Shan Univ, Green Energy Technol Res Ctr, Dept Elect Engn, Tainan, Taiwan
来源：
2019 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS) | 2019年
关键词：
dual-band; bandpass filter; SIR; closed passband; BAND BANDPASS FILTER;
D O I：
10.1109/rws.2019.8714411
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A dual-band bandpass filter with good closed band and multi transmission zero using dual-stepped impedance resonator (dual-SIR), U-shape folded arm and folded coupled I/O lines is presented. The two distinct types of dual-band filters with and without multi transmission zero generating mechanisms are studied. The type I filter is designed at 2.4 and 3.5 GHz passband and the filter consists of daul-SIR to produce the wide passband and U-shape folded arm I/O line to control the notch band at 3 GHz. As for the type II filter, the response of multi transmission zero is generated by using the folded coupled I/O lines. The frequency response of wide stopband is around-30 dB from 3.8 to 8 GHz. The measured results arc favorably in agreement with the full-wave electromagnetic (EM) simulation results.
引用
收藏
页码：313 / 316
页数：4
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