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http://dx.doi.org/10.5515/KJKIEES.2009.20.8.673

A Resonance Power Combining Technique Using CRLH-Transmission Line  

Kim, Ell-Kou (Radio Communication Engineering, Kumoh National Institute of Technology)
Kim, Young (Radio Communication Engineering, Kumoh National Institute of Technology)
Kwon, Sang-Keun (Radio Communication Engineering, Kumoh National Institute of Technology)
Yoon, Young-Chul (Electronics and Information Communication Engineering, Kwandong University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.20, no.8, 2009 , pp. 673-679 More about this Journal
Abstract
This paper proposes a resonance power-combining technique using CRLH-transmission line. The circuits using proposed technique consist of the parallel capacitances and transmission lines to satisfy matching conditions and to combine power of amplifiers. The CRLH(Composite Right/Lefi-Handed) transmission lines are used to reduce the circuit size. As a result, the power combining amplifier using proposed techniques is measured that a gain is equal and the output power is increased about 2.2 dB higher than the single amplifier. Also, a size of amplifier is 78.3 % smaller than the conventional amplifier using RH transmission line.
Keywords
Power Combining; Power Amplifier; CRLH-TL Metamaterials;
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