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Synthesis of Marchand Balun Using Planar Coupled-Line  

Lee Jong-Hwan (Department of Radio Science and Engineering, Chungnam National University)
Yeom Kyung-Whan (Department of Radio Science and Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.16, no.2, 2005 , pp. 161-166 More about this Journal
Abstract
The synthesis procedure of Marchand balun using planar coupled-line is presented. The design limitations of this type of balun have been described before its synthesis procedure. The balun has equi-ripple passband responses and balanced output without fourth balanced transmission line which is difficult to implement with conventional planar topology. As an example, 2:1 Marchand balun is designed and its momentum simulation result show good verification fur this methodology.
Keywords
Third-Order Marchand Balun; Planar Coupled-Line; Synthesis;
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