Design of a Compact Quad-Channel Diplexer

被引：2
|
作者：
Xu, Jin [1 ,2 ,3 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710072, Peoples R China
[2] Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China
[3] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
FREQUENZ | 2016年 / 70卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
diplexer; dual-band; quad-channel; stub loaded resonator;
D O I：
10.1515/freq-2015-0113
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 paper presents a compact quad-channel diplexer by using two asymmetrical coupling shorted stub loaded stepped-impedance (SSLSIR) dual-band bandpass filters (DB-BPFs) to replace two single-band BPFs in a traditional BPF-based diplexer. Part of its impedance matching circuit is implemented by using a three-element lowpass T-network to acquire the desired phase shift. Detailed design procedures are given to guide the diplexer design. The fabricated quad-channel diplexer occupies a compact circuit area of 0.168 angstrom(g) x 0.136 angstrom(g). High band-toband isolation and wide stopband performance are achieved. Good agreement is shown between the simulated and measured results.
引用
收藏
页码：29 / 32
页数：4
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