Comments on "Novel Dual-Band Matching Network for Effective Design of Concurrent Dual-Band Power Amplifiers"

被引：13
|
作者：
Wu, Yongle [1 ]
Jiao, Lingxiao [1 ]
Liu, Yuanan [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing Key Lab Work Safety Intelligent Monitorin, Beijing 100876, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2015年 / 62卷 / 09期
关键词：
Dual band; impedance matching; power amplifier; real to complex; TRANSFORMER;
D O I：
10.1109/TCSI.2015.2459553
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 novel dual-band matching network for concurrent dual-band power amplifiers has been proposed and discussed by Fu et al. in January 2014. The first stage matching network effectively accomplished real-to-complex impedance transformation by utilizing a transmission line, a short-circuited stub and an open-circuited stub. However, the obtainment of the values of the electrical parameters are realized by tuning and observing Smith Chart, no analytical design methodology given. In this comment, rigorous design equations of the real-to-complex matching network are extracted, and two numerical instances are demonstrated for verification. Additionally, an error about the input impedance in original paper is corrected.
引用
收藏
页码：2361 / 2363
页数：3
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