A Differential SISPSL Branch-Line Coupler With Common-Mode Suppression Using Compensated Stub

被引：4
|
作者：
Liu, Jia [1 ]
Wang, Yongqiang [1 ]
Ma, Kaixue [1 ]
An, Wenxing [1 ]
机构：
[1] Tianjin Univ, Sch Microelect, Tianjin Key Lab Imaging & Sensing Microelect Techn, Tianjin 300072, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2023年 / 70卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Couplers; Substrates; Strips; Impedance; Power transmission lines; Microstrip filters; Load modeling; Differential coupler; branch-line coupler; double-side parallel-strip line (DSPSL); multilayer; substrate integrated suspended parallel strip line (SISPSL); substrate integrated suspended line (SISL); BAND; NETWORK;
D O I：
10.1109/TCSII.2022.3211867
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：
In this brief, a novel differential branch-line coupler based on substrate integrated suspended parallel strip Line (SISPSL) is proposed. The differential branch-line coupler is based on the multilayer structure, and utilizes the inherent differential characteristics of parallel strip line to construct the feeding port. The common-mode suppression is enhanced by loading a quarter-wavelength stub on the main transmission line at each port. The proposed SISPSL coupler is designed and fabricated using the PCB process, and it has the advantages of self-packaging and high common-mode suppression.
引用
收藏
页码：511 / 515
页数：5
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