Mixed-coupling multi-function quint-wideband asymmetric stepped impedance resonator filter

被引：12

作者：

Al-Yasir, Yasir I. A. ^{[1
]}

Tu, Yuxiang ^{[1
]}

Ojaroudi Parchin, Naser ^{[1
]}

Elfergani, I. T. E. ^{[2
]}

Abd-Alhameed, Raed A. ^{[1
]}

Rodriguez, Jonathan ^{[2
]}

Noras, James M. ^{[1
]}

机构：

[1] Univ Bradford, Sch Elect Engn & Comp Sci, Bradford, W Yorkshire, England

[2] Inst Telecomunicacoes, Mobile Syst Grp, Aveiro, Portugal

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2019年 / 61卷 / 05期

基金：

英国工程与自然科学研究理事会; 欧盟地平线“2020”;

关键词：

BPF; microstrip filter; quint-wideband; stepped impedance resonator; DESIGN;

D O I：

10.1002/mop.31734

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：

A new mixed-coupled quint-wideband ASIR bandpass filter with low insertion loss and compact size is proposed: spiral and open-loop coupled structures realize fundamental mode coupling and enhance another four spurious modes with optimum insertion loss. The fundamental frequency and four spurious frequencies are located at 1.275GHz with fractional bandwidth (FBW) of 38.4%, 3.225GHz with FBW of 38.4%, 5.875GHz with FBW of 12.1%, 7.515GHz with FBW of 13.7%, 9.74GHz with FBW of 4.3%. The filter is suitable for multiple applications including GPS, Wi-Fi and IEEE 802.11a, and partially for IEEE 802.16. The quint-wideband filter has a performance superior to its currently proposed quint-wideband counterparts.

引用

页码：1181 / 1184

页数：4

共 11 条

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