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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (10): 22-    DOI: 10.1631/jzus.2006.A1777
    
Dual structure of composite right/left-handed transmission line
HU Xin, ZHANG Pu, HE Sailing
Center for Optical and Electromagnetic Research, Zhejiang University, Hangzhou 310058, China; Division of Electromagnetic Engineering, School of Electrical Engineering, Royal Institute of Technology, S-100 44 Stockholm, Sweden
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Abstract  A dual structure of composite right/left handed (CRLH) transmission line (TL) is analyzed in which an inductance LR is in parallel with a capacitance CL and a shunt capacitance CR is in series with an inductance LL. Both the distributed and lumped cases are considered. The dispersion diagram and transmission properties of the dual CRLH TL are given and compared with those of a standard CRLH TL. Contrary to the frequency response of a standard CRLH TL, a dual CRLH TL has a left-handed (negative phase shift) band at higher frequencies and a right-handed (positive phase shift) band at lower frequencies. A novel dual-band balun is presented as an application.

Key words： Dual structure      Composite right/left handed transmission line (CRLH TL)      Dual band balun     
Received: 22 August 2006     
CLC:  O44  
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HU Xin
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Cite this article:

HU Xin, ZHANG Pu, HE Sailing. Dual structure of composite right/left-handed transmission line. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(10): 22-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A1777     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I10/22

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