A Quad-Band Distributed Amplifier With E-CRLH Transmission Line

被引：25
|
作者：
Keshavarz, Rasool [1 ,2 ]
Mohammadi, Abbas [1 ,2 ]
Abdipour, Abdolali [1 ,2 ]
机构：
[1] Amirkabir Univ Technol, Inst Commun Technol & Appl Electromagnet, Tehran 15914, Iran
[2] Amirkabir Univ Technol, Micro Millimeter Wave & Wireless Commun Res Lab, Radio Commun Ctr Excellence, Dept Elect Engn, Tehran 15914, Iran
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2013年 / 61卷 / 12期
关键词：
Distributed amplifier (DA); extended composite right- and left-handed (E-CRLH); quad-band structure; metamaterial; DESIGN; LNA;
D O I：
10.1109/TMTT.2013.2288939
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 quad-band microstrip distributed amplifier (DA) based on the extended composite right-and left-handed (E-CRLH) transmission lines (TLs) technique is presented. The design procedure to realize the quad-band E-CRLH TLs at four arbitrary frequencies is presented. The quad-band operation is achieved for a DA using three cells, which each consists of a transistor, microstrip line, and E-CRLH. This DA operates in four frequency bands: two bands in the backward direction and two bands in the forward direction. Moreover, the analytical and experimental results show that the proposed quad-band DA exhibits 10-dB gain in the operational bands. In addition, at these frequency bands, the return loss is greater than 10 dB. The excellent agreement between the simulation and measurement results confirms the accuracy and efficiency of the design technique for the proposed structure.
引用
收藏
页码：4188 / 4194
页数：7
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